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A022586 Expansion of Product (1+q^m)^21; m=1..inf. +0
1
1, 21, 231, 1792, 11067, 58002, 268093, 1120899, 4315269, 15497986, 52441347, 168487473, 517184185, 1524390777, 4332440454, 11914441196, 31798680774, 82574231187, 209091601271, 517272712845, 1252351944165 (list; graph; listen)
OFFSET

0,2

CROSSREFS

Sequence in context: A064322 A126902 A010973 this_sequence A125409 A161581 A069601

Adjacent sequences: A022583 A022584 A022585 this_sequence A022587 A022588 A022589

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.


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