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Search: id:A144901
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| A144901 |
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Expansion of x/((1-x-x^3)*(1-x)^7). |
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+0
2
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| 0, 1, 8, 36, 121, 339, 837, 1882, 3937, 7777, 14664, 26609, 46762, 79990, 133731, 219253, 353507, 561851, 882051, 1370154, 2109105, 3221386, 4887550, 7373395, 11069801, 16551126, 24660802, 36636795, 54295489, 80301195, 118561150
(list; graph; listen)
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OFFSET
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0,3
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FORMULA
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G.f.: x/((1-x-x^3)*(1-x)^7).
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MAPLE
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a := n-> (Matrix(10, (i, j)-> if i=j-1 then 1 elif j=1 then [8, -28, 57, -77, 77, -63, 43, -22, 7, -1][i] else 0 fi)^n)[1, 2]: seq (a(n), n=0..40);
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CROSSREFS
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8th column of A144903.
Sequence in context: A000580 A145457 A145136 this_sequence A054470 A131123 A055910
Adjacent sequences: A144898 A144899 A144900 this_sequence A144902 A144903 A144904
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KEYWORD
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nonn
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AUTHOR
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Alois P. Heinz (heinz(AT)hs-heilbronn.de), Sep 24 2008
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