|
| |
|
|
A002759
|
|
Number of bipartite partitions of n white objects and 10 black ones.
(Formerly M5278 N2295)
|
|
2
| |
|
|
42, 139, 392, 907, 1941, 3804, 7128, 12693, 21893, 36535, 59521, 94664, 147794, 226524, 342006, 508866, 747753, 1085635, 1559725, 2218272, 3126541, 4368724, 6056705, 8333955, 11388614, 15460291, 20859497, 27979454, 37324367, 49529018
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 0,1
|
|
|
COMMENTS
| Number of ways to factor p^n*q^10 where p and q are distinct primes.
a(n) = if n <= 10 then A054225(10,n) else A054225(n,10). [Reinhard Zumkeller, Nov 30 2011]
|
|
|
REFERENCES
| 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.
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
|
|
|
CROSSREFS
| Column 10 of A054225.
Cf. A005380.
Sequence in context: A044674 A005557 A045088 * A044374 A044755 A158479
Adjacent sequences: A002756 A002757 A002758 * A002760 A002761 A002762
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
|
|
|
EXTENSIONS
| Edited by Christian G. Bower (bowerc(AT)usa.net), Jan 08 2004
|
| |
|
|