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Search: id:A028290
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| A028290 |
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Expansion of 1/((1-x)(1-x^2)(1-x^3)(1-x^5)(1-x^8)). |
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+0
2
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| 1, 1, 2, 3, 4, 6, 8, 10, 14, 17, 22, 27, 33, 40, 48, 57, 68, 79, 93, 107, 124, 142, 162, 184, 209, 235, 265, 296, 331, 368, 409, 452, 500, 550, 605, 663, 726, 792, 864, 939, 1021, 1106, 1198, 1294, 1397, 1505
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OFFSET
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0,3
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COMMENT
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Number of partitions of n into parts equal to 1, 2, 3, 5 and 8. E.g. a(5)=6 because we have 5, 3+2, 3+1+1, 2+2+1, 2+1+1+1 and 1+1+1+1+1. - Emeric Deutsch (deutsch(AT)duke.poly.edu), Mar 25 2005
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MAPLE
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G:=1/(1-x)/(1-x^2)/(1-x^3)/(1-x^5)/(1-x^8): Gser:=series(G, x=0, 47): 1, seq(coeff(Gser, x^n), n=1..45); (Deutsch)
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CROSSREFS
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Sequence in context: A005434 A027589 A039851 this_sequence A003107 A014977 A008583
Adjacent sequences: A028287 A028288 A028289 this_sequence A028291 A028292 A028293
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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