A038283 Triangle whose (i,j)-th entry is binomial(i,j)*8^(i-j)*5^j.

1, 8, 5, 64, 80, 25, 512, 960, 600, 125, 4096, 10240, 9600, 4000, 625, 32768, 102400, 128000, 80000, 25000, 3125, 262144, 983040, 1536000, 1280000, 600000, 150000, 15625, 2097152, 9175040, 17203200, 17920000, 11200000, 4200000

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

Table of n, a(n) for n=0..33.

Mathematica

Table[Binomial[i, j]8^(i-j) 5^j, {i, 0, 10}, {j, 0, i}]//Flatten (* Harvey P. Dale, Apr 28 2018 *)

Crossrefs

Sequence in context: A272543 A272007 A296437 * A317402 A317574 A195532

Adjacent sequences: A038280 A038281 A038282 * A038284 A038285 A038286

Keyword

nonn,tabl,easy

Author

N. J. A. Sloane.

Status

approved