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Search: id:A120765
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| A120765 |
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Expansion of -e^{-x}*ln(1-2*x)/2. |
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+0
2
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| 0, 1, 0, 5, 24, 209, 2120, 25829, 365456, 5895105, 106794992, 2147006949, 47436635752, 1142570789073, 29797622256376, 836527783016197, 25153234375160992, 806519154686509057, 27470342073410272608
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OFFSET
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0,4
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FORMULA
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E.g.f.: -e^{-x}*ln(1-2*x)/2.
a(n) = Sum_{i=0..n-1} (-1)^(n-1-i) * binomial(n,i+1) * i! * 2^i
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CROSSREFS
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Sequence in context: A009601 A009676 A027851 this_sequence A051812 A003224 A156310
Adjacent sequences: A120762 A120763 A120764 this_sequence A120766 A120767 A120768
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KEYWORD
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nonn
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AUTHOR
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Max Alekseyev (maxale(AT)gmail.com), Jul 03 2006
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EXTENSIONS
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Formula corrected by Max Alekseyev (maxale(AT)gmail.com), Sep 15 2009
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