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A176474
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From the coefficients (times n!) of the expansion of the Sum_{k>=1} cos(x^k).
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6
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0, 1, 11, 361, 18479, 1814401, 220207679, 43589145601, 9589093113599, 3210079038566401, 1115080757523532799, 562000363888803840001, 285218528618534141030399, 201645730563302817792000001
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OFFSET
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1,3
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LINKS
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MATHEMATICA
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Rest@ Union[ -Range[0, 26]! CoefficientList[ Series[ Sum[ Cos[x^n], {n, 35}], {x, 0, 27}], x]]
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PROG
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(PARI) { my(N=33, x='x+O('x^N)); v = Vec(serlaplace(-sum(k=1, N, cos(x^k)))); vector(#v\2-1, k, v[2*k+1])} \\ \\ Joerg Arndt, Apr 21 2017
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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