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A133409
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Zero followed by partial sums of A133405.
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0
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0, 0, 0, 0, 1, 4, 13, 39, 117, 351, 1054, 3163, 9490, 28470, 85410, 256230, 768691, 2306074, 6918223, 20754669, 62264007, 186792021, 560376064, 1681128193, 5043384580, 15130153740, 45390461220, 136171383660
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,6
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FORMULA
| a(n+1)-3a(n)=A088911(n+3).
a(n)=4a(n-1)-3a(n-2)-a(n-3)+4a(n-4)-3a(n-5).
O.g.f.: x^4/((3x-1)(1+x)(x^2-x+1)(x-1)). - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jul 16 2008
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CROSSREFS
| Sequence in context: A183112 A105693 A121192 * A000746 A191132 A119915
Adjacent sequences: A133406 A133407 A133408 * A133410 A133411 A133412
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KEYWORD
| nonn
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AUTHOR
| Paul Curtz (bpcrtz(AT)free.fr), Nov 25 2007
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EXTENSIONS
| Edited and extended by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jul 16 2008
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