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A028343
Expansion of prod( (1-x^i)^(1/i), i = 1..infinity); also of exp(- sum( d(n)*x^n /n, n = 1..infinity)) where d is number of divisors function.
+0
2
1, -1, -1, 1, -1, 41, -131, 1499, -4159, 10639, 100871, 4142249, -111459041, 1127459321, 1797229589, -185028952109, 706529394689, 29136228245279, -547852336663409, 7139784702100049, -195178627579232449
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified November 29 12:46 EST 2009. Contains 167659 sequences.
AT&T Labs Research
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