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A038318 Triangle whose (i,j)-th entry is binomial(i,j)*11^(i-j)*4^j. +0
1
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 (list; table; graph; listen)
OFFSET

0,2

REFERENCES

B. N. Cyvin et al., Isomer enumeration of unbranched catacondensed polygonal systems with pentagons and heptagons, Match, No. 34 (Oct 1996), pp. 109-121.

CROSSREFS

Sequence in context: A114267 A166205 A141240 this_sequence A010186 A097531 A131029

Adjacent sequences: A038315 A038316 A038317 this_sequence A038319 A038320 A038321

KEYWORD

nonn,tabl,easy

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.


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