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A058278
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Expansion of (1 - x^2)/(1 - x - x^3).
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10
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1, 1, 0, 1, 2, 2, 3, 5, 7, 10, 15, 22, 32, 47, 69, 101, 148, 217, 318, 466, 683, 1001, 1467, 2150, 3151, 4618, 6768, 9919, 14537, 21305, 31224, 45761, 67066, 98290, 144051, 211117, 309407, 453458, 664575, 973982, 1427440, 2092015, 3065997, 4493437
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OFFSET
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0,5
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LINKS
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FORMULA
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G.f.: (1 - x^2)/(1 - x - x^3).
a(n+3) = Sum_{k=0..n} binomial(n-k, floor(k/2)). - Paul Barry, Jul 06 2004
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MATHEMATICA
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LinearRecurrence[{1, 0, 1}, {1, 1, 0}, 50] (* Harvey P. Dale, Apr 03 2015 *)
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PROG
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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EXTENSIONS
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Edited: Offset corrected to 0. The formula by P. Barry corrected. Old formulas adapted to new offset. - Wolfdieter Lang, Apr 21 2015
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STATUS
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approved
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