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A038241 Triangle whose (i,j)-th entry is binomial(i,j)*4^(i-j)*11^j. +0
1
1, 4, 11, 16, 88, 121, 64, 528, 1452, 1331, 256, 2816, 11616, 21296, 14641, 1024, 14080, 77440, 212960, 292820, 161051, 4096, 67584, 464640, 1703680, 3513840, 3865224, 1771561, 16384, 315392, 2601984, 11925760, 32795840, 54113136 (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: A005224 A054870 A107988 this_sequence A003146 A063237 A026381

Adjacent sequences: A038238 A038239 A038240 this_sequence A038242 A038243 A038244

KEYWORD

nonn,tabl,easy

AUTHOR

njas

page 1

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.


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