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A038287 Triangle whose (i,j)-th entry is binomial(i,j)*8^(i-j)*9^j. +0
1
1, 8, 9, 64, 144, 81, 512, 1728, 1944, 729, 4096, 18432, 31104, 23328, 6561, 32768, 184320, 414720, 466560, 262440, 59049, 262144, 1769472, 4976640, 7464960, 6298560, 2834352, 531441, 2097152, 16515072, 55738368, 104509440 (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: A042873 A033045 A025633 this_sequence A041140 A116249 A165467

Adjacent sequences: A038284 A038285 A038286 this_sequence A038288 A038289 A038290

KEYWORD

nonn,tabl,easy

AUTHOR

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

page 1

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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