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A038278 Triangle whose (i,j)-th entry is binomial(i,j)*7^(i-j)*12^j. 0
1, 7, 12, 49, 168, 144, 343, 1764, 3024, 1728, 2401, 16464, 42336, 48384, 20736, 16807, 144060, 493920, 846720, 725760, 248832, 117649, 1210104, 5186160, 11854080, 15240960, 10450944, 2985984, 823543, 9882516, 50824368, 145212480 (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..31.

CROSSREFS

Sequence in context: A194264 A192779 A108238 * A266056 A083335 A119179

Adjacent sequences:  A038275 A038276 A038277 * A038279 A038280 A038281

KEYWORD

nonn,tabl,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified December 4 15:36 EST 2021. Contains 349526 sequences. (Running on oeis4.)