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A090864 n for which A006906(n) is even. +0
1
3, 4, 6, 8, 9, 10, 11, 13, 14, 16, 17, 18, 19, 20 (list; graph; listen)
OFFSET

1,1

COMMENT

It is conjectured that for all of these n it is possible to express 0 as a sum of the products of partitions of n, e.g. n=4 gives 4,3,4,2,1, and 0=4-3-4+2+1

CROSSREFS

Cf. A006906.

Sequence in context: A099356 A121543 A080702 this_sequence A118300 A134745 A112800

Adjacent sequences: A090861 A090862 A090863 this_sequence A090865 A090866 A090867

KEYWORD

nonn

AUTHOR

Jon Perry (perry(AT)globalnet.co.uk), Feb 12 2004

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Last modified July 23 17:35 EDT 2008. Contains 142285 sequences.


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