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Search: id:A016278
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A016278 Expansion of 1/((1-2x)(1-3x)(1-9x)). +0
2
1, 14, 145, 1370, 12541, 113534, 1023865, 9221090, 83008981, 747138854, 6724424785, 60520350410, 544684739821, 4902167424974, 44119521140905, 397075733249330, 3573681728253061, 32163135941435894, 289468224634660225 (list; graph; listen)
OFFSET

0,2

FORMULA

a(n) = 14*a(n-1) - 51*a(n-2) + 54*a(n-3); a(n) = (4/7)*2^(n-1) + (-3/2)*3^(n-1) + (27/14)*9^(n-1). - Antonio A. Olivares (olivares14031(AT)yahoo.com), Apr 21 2008, Apr 22 2008

CROSSREFS

Cf. A053141.

Cf. A053141, A053142.

Adjacent sequences: A016275 A016276 A016277 this_sequence A016279 A016280 A016281

Sequence in context: A039916 A016233 A099914 this_sequence A132934 A027473 A002451

KEYWORD

nonn

AUTHOR

njas

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Last modified October 11 13:47 EDT 2008. Contains 144830 sequences.


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