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A208793 Number of nX5 0..2 arrays with no element equal the average of immediate neighbors vertically above, diagonally above and left, and horizontally left of it 1
48, 4540, 461280, 46570746, 4706484836, 475618885520, 48061584255222, 4856847815865546, 490796445497307804, 49596733378098266898, 5011900411890792110326, 506469034009305626063656 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 5 of A208796
LINKS
FORMULA
Empirical: a(n) = 16*a(n-1) +7184*a(n-2) +184746*a(n-3) -3131578*a(n-4) -124401715*a(n-5) +661252162*a(n-6) +39523120524*a(n-7) -118123039489*a(n-8) -7850624206951*a(n-9) +24857888681498*a(n-10) +1055617081944672*a(n-11) -4691635269200727*a(n-12) -96201396540801379*a(n-13) +618949424617596821*a(n-14) +5582923300046393379*a(n-15) -53485789201753572606*a(n-16) -165295272048479010215*a(n-17) +2957684753177551063480*a(n-18) -1035336009064408740791*a(n-19) -100981469184706605343247*a(n-20) +282031592739179213152433*a(n-21) +1958218307267469546441483*a(n-22) -10678991274236989231944843*a(n-23) -15860504816102282024317857*a(n-24) +208865772617363888022357100*a(n-25) -122844637477527608530706393*a(n-26) -2498446803339436742224709601*a(n-27) +4817916430390672239468689392*a(n-28) +19335812204686064346788956452*a(n-29) -64463757148412256911382507214*a(n-30) -93954995867823933907083630896*a(n-31) +549002790292685373898543363410*a(n-32) +202312015860701016713941912111*a(n-33) -3396740596860712442654476807076*a(n-34) +884233527910524516578172350880*a(n-35) +16219183768214788807417673238174*a(n-36) -11086014255501737520512507408131*a(n-37) -62028379885044189377037124735216*a(n-38) +61435147009787366601296072459496*a(n-39) +195164965958106958898874832790569*a(n-40) -236747877463014164442162449333683*a(n-41) -516048516087782719243755535520553*a(n-42) +700316402736382947161324170310418*a(n-43) +1166403451993100889419007657179300*a(n-44) -1652016995665260476779805143119334*a(n-45) -2281327061080054215718284161268520*a(n-46) +3159515554290664910912403728855416*a(n-47) +3883952157477963462721390622498708*a(n-48) -4924285588757374188674992976589784*a(n-49) -5746894817139837106268488654646280*a(n-50) +6235373182476064497712484653451616*a(n-51) +7326697529032251168271964204861200*a(n-52) -6344457848686341171551718625838112*a(n-53) -7937101028359967608486697497609920*a(n-54) +5075435069558950270245702300523776*a(n-55) +7183664823911109778092932080588992*a(n-56) -3059533897723250631258209991118016*a(n-57) -5332726309088620293109052366162560*a(n-58) +1255231074613317850053561921003264*a(n-59) +3183699846934102577570431862068736*a(n-60) -222438432500475722247461261259776*a(n-61) -1495801024256419383271165917998592*a(n-62) -110752957332074998118797184564224*a(n-63) +539067790490642302335605832910848*a(n-64) +109793470758977626308367851996160*a(n-65) -144151927853335865479105751150592*a(n-66) -47812960589426192530384101679104*a(n-67) +27226000357581931927082416361472*a(n-68) +13205108522611283355670735339520*a(n-69) -3296640606416885550525013131264*a(n-70) -2473383278429250490240357761024*a(n-71) +176384444786124457663332450304*a(n-72) +317827468317127571220149829632*a(n-73) +15523760639929701210054590464*a(n-74) -27099078076889424377305628672*a(n-75) -4061987217720465695027232768*a(n-76) +1323746119754742367299567616*a(n-77) +354440705832095156191363072*a(n-78) -20303736265320268772147200*a(n-79) -13732121335757562345160704*a(n-80) -721232319483660065570816*a(n-81) +186197813024275682033664*a(n-82) +19638823895629408763904*a(n-83) -687698477433218924544*a(n-84) -130521928539301740544*a(n-85) -1943832082828492800*a(n-86) +92288882866913280*a(n-87)
EXAMPLE
Some solutions for n=4
..0..1..0..2..0....0..1..2..1..2....1..0..1..0..1....0..1..2..0..1
..2..0..1..2..0....1..1..2..0..2....2..2..2..0..0....2..2..0..0..1
..1..2..2..1..0....2..0..2..2..0....0..0..0..2..1....1..2..0..1..2
..2..1..2..2..2....1..2..1..2..1....2..1..1..2..1....2..2..2..0..0
CROSSREFS
Sequence in context: A134164 A270253 A098209 * A174755 A269419 A299422
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 01 2012
STATUS
approved

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Last modified June 8 13:51 EDT 2024. Contains 373217 sequences. (Running on oeis4.)