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A038333 Triangle whose (i,j)-th entry is binomial(i,j)*12^(i-j)*7^j. 0
1, 12, 7, 144, 168, 49, 1728, 3024, 1764, 343, 20736, 48384, 42336, 16464, 2401, 248832, 725760, 846720, 493920, 144060, 16807, 2985984, 10450944, 15240960, 11854080, 5186160, 1210104, 117649, 35831808, 146313216, 256048128, 248935680 (list; table; graph; refs; listen; history; 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.

CROSSREFS

Sequence in context: A002548 A038598 A206423 * A185259 A090438 A128108

Adjacent sequences:  A038330 A038331 A038332 * A038334 A038335 A038336

KEYWORD

nonn,tabl,easy

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 16 08:11 EST 2012. Contains 205891 sequences.