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A294458
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E.g.f.: Product_{n>=1} (1 - x^(2*n-1))^(1/(2*n-1)).
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1
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1, -1, 0, -2, 8, -24, 64, -160, 8448, -86912, 509696, -1449216, 44615680, -366395392, 3315376128, -190488356864, 4591008579584, -33244620718080, 86342088982528, -2543409132470272, 136456182420996096, -5644134983026343936, 103753337226615848960
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OFFSET
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0,4
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LINKS
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FORMULA
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E.g.f.: exp(-Sum_{n>=1} A001227(n) * x^n / n).
a(0) = 1 and a(n) = (-1) * (n-1)! * Sum_{k=1..n} A001227(k)*a(n-k)/(n-k)! for n > 0.
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PROG
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(PARI) N=66; x='x+O('x^N); Vec(serlaplace(exp(-sum(k=1, N, sumdiv(k, d, d%2)*x^k/k))))
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CROSSREFS
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KEYWORD
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sign
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AUTHOR
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STATUS
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approved
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