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A038337
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Triangle whose (i,j)-th entry is binomial(i,j)*12^(i-j)*11^j.
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0
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1, 12, 11, 144, 264, 121, 1728, 4752, 4356, 1331, 20736, 76032, 104544, 63888, 14641, 248832, 1140480, 2090880, 1916640, 878460, 161051, 2985984, 16422912, 37635840, 45999360, 31624560, 11595672, 1771561, 35831808, 229920768
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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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LINKS
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MATHEMATICA
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Table[Binomial[n, k]12^(n-k) 11^k, {n, 0, 10}, {k, 0, n}]//Flatten (* Harvey P. Dale, Aug 24 2019 *)
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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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