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Search: id:A002755
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| A002755 |
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Number of bipartite partitions of n white objects and 6 black ones.
(Formerly M4784 N2041)
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+0
2
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| 11, 30, 77, 162, 323, 589, 1043, 1752, 2876, 4571, 7128, 10860, 16306, 24051, 35040, 50355, 71609, 100697, 140349, 193784, 265505, 360889, 487214, 653243, 870613, 1153322, 1519658, 1991689, 2597762, 3372107, 4358198, 5608418, 7188632
(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^6 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. 1.
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CROSSREFS
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Column 6 of A060243. Cf. A005380.
Sequence in context: A051682 A109943 A137411 this_sequence A157827 A112260 A022423
Adjacent sequences: A002752 A002753 A002754 this_sequence A002756 A002757 A002758
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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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