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A013617 Triangle of coefficients in expansion of (1+10x)^n. +0
1
1, 1, 10, 1, 20, 100, 1, 30, 300, 1000, 1, 40, 600, 4000, 10000, 1, 50, 1000, 10000, 50000, 100000, 1, 60, 1500, 20000, 150000, 600000, 1000000, 1, 70, 2100, 35000, 350000, 2100000, 7000000, 10000000, 1, 80, 2800, 56000, 700000, 5600000 (list; table; graph; listen)
OFFSET

0,3

FORMULA

G.f.: 1 / [1 - x(1+10y)].

CROSSREFS

Sequence in context: A059920 A040109 A036188 this_sequence A050999 A070246 A085044

Adjacent sequences: A013614 A013615 A013616 this_sequence A013618 A013619 A013620

KEYWORD

tabl,nonn,easy

AUTHOR

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

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.


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