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Search: id:A017907
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| A017907 |
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Expansion of 1/(1 - x^13 - x^14 - ...). |
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+0
2
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| 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 19, 23, 28, 34, 41, 49, 58, 68, 79, 91, 104, 118, 134, 153, 176, 204, 238, 279, 328, 386, 454, 533
(list; graph; listen)
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OFFSET
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0,27
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FORMULA
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G.f.: (x-1)/(x-1+x^13). [From Alois P. Heinz (heinz(AT)hs-heilbronn.de), Aug 04 2008]
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MAPLE
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(Maple) a := n -> (Matrix(13, (i, j)-> if (i=j-1) then 1 elif j=1 then [1, 0$11, 1][i] else 0 fi)^n)[13, 13] ; seq (a(n), n=0..61); [From Alois P. Heinz (heinz(AT)hs-heilbronn.de), Aug 04 2008]
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CROSSREFS
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Adjacent sequences: A017904 A017905 A017906 this_sequence A017908 A017909 A017910
Sequence in context: A035062 A032964 A033066 this_sequence A044964 A044826 A048312
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KEYWORD
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nonn
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AUTHOR
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njas
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