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Search: id:A025149
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| A025149 |
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Number of partitions of n into distinct parts >= 4. |
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+0
4
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| 1, 0, 0, 0, 1, 1, 1, 1, 1, 2, 2, 3, 3, 4, 4, 6, 6, 8, 9, 11, 12, 15, 17, 20, 23, 27, 31, 36, 41, 47, 55, 62, 71, 81, 93, 105, 120, 135, 154, 174, 197, 221, 251, 281, 317, 356, 400, 447, 502, 561, 628, 701, 782, 871, 972, 1081, 1202, 1336, 1483, 1645, 1825, 2021, 2237, 2476, 2736
(list; graph; listen)
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OFFSET
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0,10
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FORMULA
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a(n)=A026824(n+3). - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jul 31 2008
G.f.: product_{j=4..infinity} (1+x^j). - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jul 31 2008
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MAPLE
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g:=product(1+x^(j+2), j=2..54): gser:=series(g, x=0, 55): seq(coeff(gser, x, n), n=1..53); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Mar 09 2007
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CROSSREFS
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Cf. A025147.
Cf. A025147.
Sequence in context: A029026 A003106 A026824 this_sequence A026799 A027190 A036824
Adjacent sequences: A025146 A025147 A025148 this_sequence A025150 A025151 A025152
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KEYWORD
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nonn
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AUTHOR
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Clark Kimberling (ck6(AT)evansville.edu)
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EXTENSIONS
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More terms from N. J. A. Sloane (njas(AT)research.att.com), Sep 28 2008
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