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A099977
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Bisection of Bell numbers, A000110.
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1
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1, 5, 52, 877, 21147, 678570, 27644437, 1382958545, 82864869804, 5832742205057, 474869816156751, 44152005855084346, 4638590332229999353, 545717047936059989389, 71339801938860275191172
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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FORMULA
| E.g.f.: exp(-1)*Sum(n*exp(n^2*x)/n!,n=0..infinity). - Vladeta Jovovic (vladeta(AT)eunet.rs), Aug 24 2006
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MAPLE
| G:=series(exp(exp(x)-1), x=0, 50): seq((2*n-1)!*coeff(G, x^(2*n-1)), n=1..18);
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CROSSREFS
| Cf. A000110, A020557.
Sequence in context: A196531 A108459 A076281 * A001173 A107803 A088712
Adjacent sequences: A099974 A099975 A099976 * A099978 A099979 A099980
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KEYWORD
| nonn,easy
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Nov 19 2004
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EXTENSIONS
| More terms from Emeric Deutsch (deutsch(AT)duke.poly.edu), Dec 07 2004
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