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A006827 Number of partitions of 2n with all subsums different from n.
(Formerly M1351)
+0
2
1, 2, 5, 8, 17, 24, 46, 64, 107, 147, 242, 302, 488, 629, 922, 1172, 1745, 2108, 3104, 3737, 5232, 6419, 8988, 10390, 14552, 17292, 23160, 27206, 36975, 41945, 57058, 65291, 85895, 99384, 130443, 145283, 193554, 218947, 281860, 316326, 413322 (list; graph; listen)
OFFSET

1,2

REFERENCES

P. Erdos, J. L. Nicolas and A. Sarkozy, On the number of partitions of n without a given subsum (I), Discrete Math., 75 (1989), 155-166 = Annals Discrete Math. Vol. 43, Graph Theory and Combinatorics 1988, ed. B. Bollobas.

CROSSREFS

Cf. A046663.

Sequence in context: A071085 A055236 A103041 this_sequence A062318 A112346 A034445

Adjacent sequences: A006824 A006825 A006826 this_sequence A006828 A006829 A006830

KEYWORD

nonn,nice

AUTHOR

njas

EXTENSIONS

More terms from Don Reble (djr(AT)nk.ca), Nov 03 2001

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Last modified July 4 18:25 EDT 2008. Contains 140886 sequences.


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