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A013625 Triangle of coefficients in expansion of (4+7x)^n. +0
1
1, 4, 7, 16, 56, 49, 64, 336, 588, 343, 256, 1792, 4704, 5488, 2401, 1024, 8960, 31360, 54880, 48020, 16807, 4096, 43008, 188160, 439040, 576240, 403368, 117649, 16384, 200704, 1053696, 3073280, 5378240, 5647152, 3294172, 823543 (list; table; graph; listen)
OFFSET

0,2

FORMULA

G.f.: 1 / [1 - x(4+7y)].

CROSSREFS

Sequence in context: A050357 A132334 A097661 this_sequence A124402 A034736 A023860

Adjacent sequences: A013622 A013623 A013624 this_sequence A013626 A013627 A013628

KEYWORD

tabl,nonn,easy

AUTHOR

njas

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.


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