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A156171
G.f.: A(x) = exp( Sum_{n>=1} [x/(1 - 2^n*x)]^n/n ), a power series in x with integer coefficients.
+0
2
1, 1, 3, 11, 53, 357, 3521, 51665, 1122135, 35638903, 1639453459, 108526044099, 10298220348807, 1396920580458279, 270394562069007327, 74574294532698008703, 29276455806256470979269
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Maintained by
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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.
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