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A027999 Expansion of Product(1+q^m)^(m(m-1)/2); m=1..inf. +0
1
1, 0, 1, 3, 6, 13, 24, 49, 91, 181, 334, 632, 1163, 2138, 3880, 7006, 12531, 22279, 39369, 69078, 120597, 209282, 361405, 620829, 1061687, 1807014, 3062642, 5168784, 8688820, 14549659, 24274226, 40353748 (list; graph; listen)
OFFSET

0,4

CROSSREFS

Sequence in context: A001452 A005405 A000219 this_sequence A005196 A032287 A006017

Adjacent sequences: A027996 A027997 A027998 this_sequence A028000 A028001 A028002

KEYWORD

nonn

AUTHOR

njas

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.


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