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Search: id:A023011
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| A023011 |
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Number of partitions of n into parts of 13 kinds. |
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+0
2
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| 1, 13, 104, 637, 3276, 14820, 60697, 229372, 810654, 2706366, 8600501, 26173966, 76654656, 216903064, 594973106, 1586553501, 4122693185, 10461067253, 25967050382, 63154957281, 150708128116, 353304272945, 814564136529
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OFFSET
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0,2
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COMMENT
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a(n) is Euler transform of A010852. [From Alois P. Heinz (heinz(AT)hs-heilbronn.de), Oct 17 2008]
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LINKS
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Index entries for expansions of Product_{k >= 1} (1-x^k)^m
N. J. A. Sloane, Transforms [From Alois P. Heinz (heinz(AT)hs-heilbronn.de), Oct 17 2008]
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MAPLE
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with (numtheory): a:= proc(n) option remember; `if`(n=0, 1, add (add (d*13, d=divisors(j)) *a(n-j), j=1..n)/n) end: seq (a(n), n=0..40); [From Alois P. Heinz (heinz(AT)hs-heilbronn.de), Oct 17 2008]
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CROSSREFS
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Cf. 13th column of A144064. [From Alois P. Heinz (heinz(AT)hs-heilbronn.de), Oct 17 2008]
Sequence in context: A080440 A159352 A129762 this_sequence A022641 A000590 A052065
Adjacent sequences: A023008 A023009 A023010 this_sequence A023012 A023013 A023014
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KEYWORD
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nonn
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AUTHOR
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David W. Wilson (davidwwilson(AT)comcast.net)
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