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Search: id:A069252
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| A069252 |
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Number of basis partitions of n+81 with Durfee square size 9. |
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+0
1
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| 1, 2, 4, 8, 14, 24, 40, 64, 100, 154, 230, 338, 490, 698, 982, 1366, 1876, 2550, 3434, 4578, 6052, 7938, 10328, 13342, 17120, 21820, 27640, 34810, 43588, 54290, 67278, 82958, 101816, 124404, 151340, 183350, 221252, 265958, 318524, 380132, 452094
(list; graph; listen)
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OFFSET
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0,2
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REFERENCES
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Hirschhorn, M. D., Basis partitions and Rogers-Ramanujan partitions, Discrete Math. 205 (1999), 241-243.
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PROGRAM
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(PARI) s=9; a(n)=polcoeff(prod(i=1, s, (1+x^i))/(prod(i=1, s, (1-x^i))+x*O(x^n)), n) for(n=0, 50, print1(a(n), ", "))
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CROSSREFS
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Sequence in context: A090399 A069251 A128770 this_sequence A069253 A004402 A015128
Adjacent sequences: A069249 A069250 A069251 this_sequence A069253 A069254 A069255
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KEYWORD
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nonn
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AUTHOR
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Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 13 2002
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