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A362163
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Expansion of e.g.f. -exp(x * sqrt(1-2*x)).
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2
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-1, -1, 1, 8, 23, 64, 479, 6026, 80863, 1194488, 19951919, 374005774, 7768598111, 177019006748, 4389955280983, 117700126685714, 3392361648663359, 104592876994535056, 3434908279968850463, 119702402510430502358, 4411764405014665620799
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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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a(n) = - n! * Sum_{k=0..n} (-2)^k * binomial((n-k)/2,k)/(n-k)!.
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PROG
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(PARI) my(N=30, x='x+O('x^N)); Vec(serlaplace(-exp(x*sqrt(1-2*x))))
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CROSSREFS
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KEYWORD
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sign,easy
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AUTHOR
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STATUS
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approved
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