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A038280 Triangle whose (i,j)-th entry is binomial(i,j)*8^(i-j)*2^j. +0
1
1, 8, 2, 64, 32, 4, 512, 384, 96, 8, 4096, 4096, 1536, 256, 16, 32768, 40960, 20480, 5120, 640, 32, 262144, 393216, 245760, 81920, 15360, 1536, 64, 2097152, 3670016, 2752512, 1146880, 286720, 43008, 3584, 128, 16777216, 33554432, 29360128 (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: A008866 A006708 A096041 this_sequence A032761 A093082 A107671

Adjacent sequences: A038277 A038278 A038279 this_sequence A038281 A038282 A038283

KEYWORD

nonn,tabl,easy

AUTHOR

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

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.


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