A171275 T(n,m) = number of 1..m integer arrays v[1..n] of length n with all autocorrelation values sum(i){v[i]*v[i-k]} distinct for k in 0..n-1

1, 2, 1, 3, 4, 1, 4, 9, 7, 1, 5, 16, 26, 15, 1, 6, 25, 62, 74, 23, 1, 7, 36, 123, 240, 211, 48, 1, 8, 49, 211, 597, 914, 600, 87, 1, 9, 64, 338, 1235, 2911, 3508, 1674, 157, 1, 10, 81, 506, 2318, 7250, 14052, 13297, 4715, 274, 1, 11, 100, 723, 3978, 16018, 42317, 67578

Offset

1,2

Comments

Table begins

.1......2.........3..........4...........5............6............7

.1......4.........9.........16..........25...........36...........49

.1......7........26.........62.........123..........211..........338

.1.....15........74........240.........597.........1235.........2318

.1.....23.......211........914........2911.........7250........16018

.1.....48.......600.......3508.......14052........42317.......109747

.1.....87......1674......13297.......67578.......245724.......749530

.1....157......4715......50461......325175......1434390......5133206

.1....274.....13195.....191050.....1558365......8335997.....35065504

.1....560.....36879.....722932.....7480022.....48454798....239373097

.1....933....101640....2726415....35901297....281866663...1635980248

.1...1822....283834...10295319...171849872...1636091940..11156399766

.1...3203....780315...38671908...821797463...9491058267..76079006282

.1...5993...2174226..146751022..3945906605..55269961550.519915363356

.1..10478...5966025..550500089.18840748309.320329432031

.1..19922..16503544.2073212701.90073678499

.1..34214..45368343.7808201806

.1..63331.124910711

.1.110943

.1

Links

R. H. Hardin, Table of n, a(n) for n=1..221

Crossrefs

Sequence in context: A067066 A210219 A125103 * A335312 A284873 A107616

Adjacent sequences: A171272 A171273 A171274 * A171276 A171277 A171278

Keyword

nonn,tabl

Author

R. H. Hardin Dec 06 2009

Status

approved