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A038278
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Triangle whose (i,j)-th entry is binomial(i,j)*7^(i-j)*12^j.
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0
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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
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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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