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G.f.: A(x) = exp(sum(n>=1, A084250(n)*x^n/n)), where A084250 lists the least distinct positive integers that allow A(x) to be an integer power series.
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%I #4 Mar 30 2012 18:36:34

%S 1,1,2,3,5,7,11,15,22,30,42,57,77,102,135,176,230,297,381,486,616,777,

%T 976,1219,1517,1880,2320,2854,3499,4273,5203,6315,7645,9228,11111,

%U 13344,15987,19106,22786,27113,32197,38158,45132,53283,62793,73871,86754

%N G.f.: A(x) = exp(sum(n>=1, A084250(n)*x^n/n)), where A084250 lists the least distinct positive integers that allow A(x) to be an integer power series.

%Y Cf. A084250.

%K nonn

%O 0,3

%A _Paul D. Hanna_, May 22 2003