A038330 Triangle whose (i,j)-th entry is binomial(i,j)*12^(i-j)*4^j.

1, 12, 4, 144, 96, 16, 1728, 1728, 576, 64, 20736, 27648, 13824, 3072, 256, 248832, 414720, 276480, 92160, 15360, 1024, 2985984, 5971968, 4976640, 2211840, 552960, 73728, 4096, 35831808, 83607552, 83607552, 46448640, 15482880

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: A327972 A047709 A002911 * A144630 A107670 A157782

Adjacent sequences: A038327 A038328 A038329 * A038331 A038332 A038333

Keyword

nonn,tabl,easy

Author

N. J. A. Sloane.

Status

approved