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A038272 Triangle whose (i,j)-th entry is binomial(i,j)*7^(i-j)*6^j. +0
1
1, 7, 6, 49, 84, 36, 343, 882, 756, 216, 2401, 8232, 10584, 6048, 1296, 16807, 72030, 123480, 105840, 45360, 7776, 117649, 605052, 1296540, 1481760, 952560, 326592, 46656, 823543, 4941258, 12706092, 18151560, 15558480, 8001504 (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: A073112 A070425 A163842 this_sequence A130553 A002394 A105167

Adjacent sequences: A038269 A038270 A038271 this_sequence A038273 A038274 A038275

KEYWORD

nonn,tabl,easy

AUTHOR

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

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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