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 A307126 Expansion of e.g.f. log(1 + log(1 + x*exp(x))). 1
 0, 1, 0, -2, 5, 3, -88, 362, 534, -17363, 103354, 175690, -9218328, 80446715, 46936658, -10553663682, 136009808336, -210505566343, -22766371152222, 418488315816586, -1679396876267976, -82907733267235305, 2070045795782097506, -13611715282931011890, -463120892871268874832 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,4 LINKS Table of n, a(n) for n=0..24. MAPLE a:=series(log(1+log(1+x*exp(x))), x=0, 25): seq(n!*coeff(a, x, n), n=0..24); # Paolo P. Lava, Apr 03 2019 MATHEMATICA nmax = 24; CoefficientList[Series[Log[1 + Log[1 + x Exp[x]]], {x, 0, nmax}], x] Range[0, nmax]! PROG (PARI) my(x = 'x + O('x^30)); Vec(serlaplace(log(1 + log(1 + x*exp(x))))) \\ Michel Marcus, Mar 26 2019 CROSSREFS Cf. A003713, A007550, A009306, A307125. Sequence in context: A109734 A239309 A077073 * A191474 A199602 A324057 Adjacent sequences: A307123 A307124 A307125 * A307127 A307128 A307129 KEYWORD sign AUTHOR Ilya Gutkovskiy, Mar 26 2019 STATUS approved

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Last modified September 15 08:55 EDT 2024. Contains 375932 sequences. (Running on oeis4.)