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Search: id:A002763
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| A002763 |
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Number of bipartite partitions.
(Formerly M3414 N1380)
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+0
3
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| 4, 11, 26, 52, 98, 171, 289, 467, 737, 1131, 1704, 2515, 3661, 5246, 7430, 10396, 14405, 19760, 26884, 36269, 48583, 64614, 85399, 112170, 146526, 190362
(list; graph; listen)
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OFFSET
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0,1
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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. 11.
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FORMULA
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a(n) = a(n-1) + A000041(n) + A000070(n) + A000291(n), for n>0 - Alford Arnold (Alford1940(AT)aol.com), Dec 10 2007
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CROSSREFS
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Cf. A082775 A129306.
Sequence in context: A079467 A140897 A008263 this_sequence A077270 A076048 A109414
Adjacent sequences: A002760 A002761 A002762 this_sequence A002764 A002765 A002766
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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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