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A367078
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E.g.f. satisfies A(x) = 1 + log(1 + x*A(x)^2).
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3
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1, 1, 3, 14, 82, 514, 2508, -12328, -820752, -22232232, -498433320, -9865850688, -159373484448, -1136343398880, 65056426313760, 4663237803223680, 210535052582008320, 7821007002377349120, 242387957802121971840, 5333182310844833642496
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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) = (2*n)! * Sum_{k=0..n} Stirling1(n,k)/(2*n-k+1)!.
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PROG
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(PARI) a(n) = (2*n)!*sum(k=0, n, stirling(n, k, 1)/(2*n-k+1)!);
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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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