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A013123 Expansion of e.g.f. sinh(tanh(x) + log(x+1)). 0

%I #7 Jul 31 2018 18:43:43

%S 0,2,-1,8,-30,102,-735,6036,-43372,366666,-3909645,43735936,

%T -509688234,6614683246,-93752033739,1403126034316,-22351107663000,

%U 380878785320338,-6864318972384345,130206659362724728

%N Expansion of e.g.f. sinh(tanh(x) + log(x+1)).

%e 2*x - 1/2!*x^2 + 8/3!*x^3 - 30/4!*x^4 + 102/5!*x^5 ...

%K sign

%O 0,2

%A Patrick Demichel (patrick.demichel(AT)hp.com)

%E a(0)=0 inserted and title improved by _Sean A. Irvine_, Jul 31 2018

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Last modified April 25 13:02 EDT 2024. Contains 371969 sequences. (Running on oeis4.)