A038274 Triangle whose (i,j)-th entry is binomial(i,j)*7^(i-j)*8^j.

1, 7, 8, 49, 112, 64, 343, 1176, 1344, 512, 2401, 10976, 18816, 14336, 4096, 16807, 96040, 219520, 250880, 143360, 32768, 117649, 806736, 2304960, 3512320, 3010560, 1376256, 262144, 823543, 6588344, 22588608, 43025920, 49172480

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..32.

Crossrefs

Sequence in context: A025630 A036566 A116554 * A201919 A249310 A094556

Adjacent sequences: A038271 A038272 A038273 * A038275 A038276 A038277

Keyword

nonn,tabl,easy

Author

N. J. A. Sloane.

Status

approved