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a(n) = A181162(n) / n, n>=1.
0

%I #4 Feb 01 2015 16:33:01

%S 1,5,47,706,14313,374016,11997457,460158224,20671937025,1071624134224,

%T 63368460514401,4235641240358232,317640391931394049,

%U 26555904023833864616,2461223025846241927425,251574807412822558973536,28223316187761759785968641,3459174110134084070825015328,461154818319652703166752585377,66589665425419376047897811260040

%N a(n) = A181162(n) / n, n>=1.

%Y Cf. A181162.

%K nonn

%O 1,2

%A _Joerg Arndt_, Feb 01 2015