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A038328 Triangle whose (i,j)-th entry is binomial(i,j)*12^(i-j)*2^j. 0
1, 12, 2, 144, 48, 4, 1728, 864, 144, 8, 20736, 13824, 3456, 384, 16, 248832, 207360, 69120, 11520, 960, 32, 2985984, 2985984, 1244160, 276480, 34560, 2304, 64, 35831808, 41803776, 20901888, 5806080, 967680, 96768, 5376, 128 (list; table; graph; refs; listen; history; text; internal format)
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..35.

CROSSREFS

Sequence in context: A007207 A302799 A213059 * A126860 A010203 A113923

Adjacent sequences:  A038325 A038326 A038327 * A038329 A038330 A038331

KEYWORD

nonn,tabl,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified August 9 20:09 EDT 2020. Contains 336326 sequences. (Running on oeis4.)