A038280 Triangle whose (i,j)-th entry is binomial(i,j)*8^(i-j)*2^j.

1, 8, 2, 64, 32, 4, 512, 384, 96, 8, 4096, 4096, 1536, 256, 16, 32768, 40960, 20480, 5120, 640, 32, 262144, 393216, 245760, 81920, 15360, 1536, 64, 2097152, 3670016, 2752512, 1146880, 286720, 43008, 3584, 128, 16777216, 33554432, 29360128

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..38.

Crossrefs

Sequence in context: A179315 A096041 A202625 * A260039 A032761 A262896

Adjacent sequences: A038277 A038278 A038279 * A038281 A038282 A038283

Keyword

nonn,tabl,easy

Author

N. J. A. Sloane.

Status

approved