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A038254
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Triangle whose (i,j)-th entry is binomial(i,j)*5^(i-j)*12^j.
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0
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1, 5, 12, 25, 120, 144, 125, 900, 2160, 1728, 625, 6000, 21600, 34560, 20736, 3125, 37500, 180000, 432000, 518400, 248832, 15625, 225000, 1350000, 4320000, 7776000, 7464960, 2985984, 78125, 1312500, 9450000, 37800000, 90720000
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refs;
listen;
history;
text;
internal format)
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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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Flatten[Table[Binomial[i, j]5^(i-j) 12^j, {i, 0, 10}, {j, 0, i}]] (* Harvey P. Dale, Apr 24 2012 *)
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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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