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A158107
G.f.: A(x) = exp( Sum_{n>=1} sigma(n)*L(n)*x^n/n ) where Sum_{n>=1} L(n)*x^n/n = log(1+x*A(x)).
+0
3
1, 1, 2, 7, 44, 272, 3053, 25670, 368728, 4867442, 86339238, 1071067999, 28751805809, 417861397848, 9791134239124, 235308903842756, 7238087265282704, 133575559401222741, 5068916834663575735
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Maintained by
N. J. A. Sloane
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njas@research.att.com
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Last modified December 16 13:01 EST 2009. Contains 170825 sequences.
AT&T Labs Research
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