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Search: id:A100505
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A100505 Bisection of A001523. +0
2
1, 2, 8, 27, 79, 209, 512, 1183, 2604, 5504, 11240, 22277, 43003, 81098, 149769, 271404, 483439, 847681, 1464999, 2498258, 4207764, 7005688, 11538936, 18814423, 30387207, 48641220, 77205488, 121567834, 189974638, 294742961, 454164484 (list; graph; listen)
OFFSET

0,2

MAPLE

1, seq(coeff(convert(series(add(-(-1)^k*x^(k*(k+1)/2), k=1..100)/(mul(1-x^k, k=1..100))^2, x, 100), polynom), x, 2*n), n=1..45); (C. Ronaldo)

CROSSREFS

Sequence in context: A060414 A087241 A092071 this_sequence A102759 A076884 A138388

Adjacent sequences: A100502 A100503 A100504 this_sequence A100506 A100507 A100508

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Nov 24 2004

EXTENSIONS

More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 19 2005

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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