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Search: id:A002758
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| A002758 |
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Number of bipartite partitions of n white objects and 9 black ones.
(Formerly M5209 N2265)
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+0
1
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| 30, 97, 267, 608, 1279, 2472, 4571, 8043, 13715, 22652, 36535, 57568, 89079, 135384, 202747, 299344, 436597, 629364, 897970, 1268634, 1776562, 2466961, 3399463, 4650218, 6318429, 8529869, 11446563, 15272827, 20269135, 26762094
(list; graph; listen)
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OFFSET
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0,1
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COMMENT
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Number of ways to factor p^n*q^9 where p and q are distinct primes.
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REFERENCES
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N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
M. S. Cheema and H. Gupta, Tables of Partitions of Gaussian Integers. National Institute of Sciences of India, Mathematical Tables, Vol. 1, New Delhi, 1956, p. 2.
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CROSSREFS
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Column 9 of A060243. Cf. A005380.
Sequence in context: A035076 A096382 A008525 this_sequence A130863 A070114 A070132
Adjacent sequences: A002755 A002756 A002757 this_sequence A002759 A002760 A002761
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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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EXTENSIONS
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Edited by Christian G. Bower (bowerc(AT)usa.net), Jan 08 2004
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