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A013614 Triangle of coefficients in expansion of (1+7x)^n. +0
3
1, 1, 7, 1, 14, 49, 1, 21, 147, 343, 1, 28, 294, 1372, 2401, 1, 35, 490, 3430, 12005, 16807, 1, 42, 735, 6860, 36015, 100842, 117649, 1, 49, 1029, 12005, 84035, 352947, 823543, 823543, 1, 56, 1372, 19208, 168070, 941192, 3294172, 6588344 (list; table; graph; listen)
OFFSET

0,3

FORMULA

G.f.: 1 / [1 - x(1+7y)].

CROSSREFS

Sequence in context: A060393 A060394 A040055 this_sequence A098081 A125234 A028325

Adjacent sequences: A013611 A013612 A013613 this_sequence A013615 A013616 A013617

KEYWORD

tabl,nonn,easy

AUTHOR

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

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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.


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