A038281 Triangle whose (i,j)-th entry is binomial(i,j)*8^(i-j)*3^j.

1, 8, 3, 64, 48, 9, 512, 576, 216, 27, 4096, 6144, 3456, 864, 81, 32768, 61440, 46080, 17280, 3240, 243, 262144, 589824, 552960, 276480, 77760, 11664, 729, 2097152, 5505024, 6193152, 3870720, 1451520, 326592, 40824, 2187, 16777216

Offset

0,2

References

B. N. Cyvin et al., Isomer enumeration of unbranched catacondensed polygonal systems with pentagons and heptagons, Match, No. 34 (Oct 1996), pp. 109-121.

Links

Harvey P. Dale, Table of n, a(n) for n = 0..1000

Mathematica

Table[Binomial[i, j]8^(i-j) 3^j, {i, 0, 10}, {j, 0, i}]//Flatten (* Harvey P. Dale, Dec 02 2021 *)

Crossrefs

Sequence in context: A197245 A302462 A303244 * A302370 A303086 A131502

Adjacent sequences: A038278 A038279 A038280 * A038282 A038283 A038284

Keyword

nonn,tabf,easy

Author

N. J. A. Sloane.

Status

approved