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A371299
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E.g.f. satisfies A(x) = 1/(1 + log(1 - 2*x*A(x)^2) / 2).
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0
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1, 1, 8, 128, 3128, 103464, 4327376, 219132416, 13037220864, 891482661120, 68898795919872, 5939542370104320, 565085390314014720, 58814874313859198976, 6647869870080852418560, 810941992663677532667904, 106188636284967568536207360, 14856670240947944840012857344
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OFFSET
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0,3
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LINKS
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FORMULA
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a(n) = (1/(2*n+1)!) * Sum_{k=0..n} 2^(n-k) * (2*n+k)! * |Stirling1(n,k)|.
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PROG
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(PARI) a(n) = sum(k=0, n, 2^(n-k)*(2*n+k)!*abs(stirling(n, k, 1)))/(2*n+1)!;
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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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