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Search: id:A038276
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A038276 Triangle whose (i,j)-th entry is binomial(i,j)*7^(i-j)*10^j. +0
1
1, 7, 10, 49, 140, 100, 343, 1470, 2100, 1000, 2401, 13720, 29400, 28000, 10000, 16807, 120050, 343000, 490000, 350000, 100000, 117649, 1008420, 3601500, 6860000, 7350000, 4200000, 1000000, 823543, 8235430, 35294700, 84035000 (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: A013493 A166661 A025632 this_sequence A097187 A115904 A136865

Adjacent sequences: A038273 A038274 A038275 this_sequence A038277 A038278 A038279

KEYWORD

nonn,tabl,easy

AUTHOR

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

page 1

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


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