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A038333
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Triangle whose (i,j)-th entry is binomial(i,j)*12^(i-j)*7^j.
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0
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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
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OFFSET
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0,2
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REFERENCES
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B. N. Cyvin et al., Isomer enumeration of unbranched catacondensed polygonal systems with pentagons and heptagons, Match, No. 34 (Oct 1996), pp. 109-121.
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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