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A038281 Triangle whose (i,j)-th entry is binomial(i,j)*8^(i-j)*3^j. 0
1, 8, 3, 64, 48, 9, 512, 576, 216, 27, 4096, 6144, 3456, 864, 81, 32768, 61440, 46080, 17280, 3240, 243, 262144, 589824, 552960, 276480, 77760, 11664, 729, 2097152, 5505024, 6193152, 3870720, 1451520, 326592, 40824, 2187, 16777216 (list; 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..36.

CROSSREFS

Sequence in context: A197245 A302462 A303244 * A302370 A303086 A131502

Adjacent sequences:  A038278 A038279 A038280 * A038282 A038283 A038284

KEYWORD

nonn,tabf,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified October 16 06:14 EDT 2021. Contains 348040 sequences. (Running on oeis4.)