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A008751
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Expansion of (1+x^8)/((1-x)(1-x^2)(1-x^3)).
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1
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1, 1, 2, 3, 4, 5, 7, 8, 11, 13, 16, 19, 23, 26, 31, 35, 40, 45, 51, 56, 63, 69, 76, 83, 91, 98, 107, 115, 124, 133, 143, 152, 163, 173, 184, 195, 207, 218, 231, 243, 256, 269, 283, 296, 311, 325, 340, 355
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OFFSET
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0,3
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LINKS
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Vincenzo Librandi, Table of n, a(n) for n = 0..1000
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FORMULA
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a(n) = floor((n^2-2n+18)/6) for n>2 = a(n-2)+a(n-3)-a(n-5)+2 = A001399(n)+A001399(n-8) = A008747(n-2)+2 for n>2 - Henry Bottomley, Sep 05 2000
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MATHEMATICA
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CoefficientList[Series[(1+x^8)/((1-x)(1-x^2)(1-x^3)), {x, 0, 60}], x] (* Vincenzo Librandi, Feb 25 2012 *)
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CROSSREFS
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Sequence in context: A162721 A176176 A020902 * A029002 A031121 A080655
Adjacent sequences: A008748 A008749 A008750 * A008752 A008753 A008754
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KEYWORD
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nonn,easy
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AUTHOR
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N. J. A. Sloane.
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STATUS
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approved
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