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A038318
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Triangle whose (i,j)-th entry is binomial(i,j)*11^(i-j)*4^j.
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0
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1, 11, 4, 121, 88, 16, 1331, 1452, 528, 64, 14641, 21296, 11616, 2816, 256, 161051, 292820, 212960, 77440, 14080, 1024, 1771561, 3865224, 3513840, 1703680, 464640, 67584, 4096, 19487171, 49603708, 54113136, 32795840, 11925760
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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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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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