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A038309 Triangle whose (i,j)-th entry is binomial(i,j)*10^(i-j)*7^j. +0
1
1, 10, 7, 100, 140, 49, 1000, 2100, 1470, 343, 10000, 28000, 29400, 13720, 2401, 100000, 350000, 490000, 343000, 120050, 16807, 1000000, 4200000, 7350000, 6860000, 3601500, 1008420, 117649, 10000000, 49000000, 102900000, 120050000 (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: A098592 A016731 A068444 this_sequence A128357 A024134 A110934

Adjacent sequences: A038306 A038307 A038308 this_sequence A038310 A038311 A038312

KEYWORD

nonn,tabl,easy

AUTHOR

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

page 1

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.


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