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A038338
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Triangle whose (i,j)-th entry is binomial(i,j)*12^(i-j)*12^j.
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1
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1, 12, 12, 144, 288, 144, 1728, 5184, 5184, 1728, 20736, 82944, 124416, 82944, 20736, 248832, 1244160, 2488320, 2488320, 1244160, 248832, 2985984, 17915904, 44789760, 59719680, 44789760, 17915904, 2985984, 35831808, 250822656
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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]12^(i-j) 12^j, {i, 0, 10}, {j, 0, i}]] (* Harvey P. Dale, Dec 18 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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