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A009586 Expansion of e.g.f. sinh(sin(log(1+x))). 1

%I #13 Jan 23 2018 05:14:34

%S 0,1,-1,2,-6,16,0,-624,9072,-108632,1259640,-14799544,179091264,

%T -2245354968,29201086824,-393393411904,5472839893440,-78247740884864,

%U 1141773898925952,-16826235923665152,246149512349702400

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

%H G. C. Greubel, <a href="/A009586/b009586.txt">Table of n, a(n) for n = 0..449</a>

%t With[{nmax = 50}, CoefficientList[Series[Sinh[Sin[Log[1 + x]]], {x, 0, nmax}], x]*Range[0, nmax]!] (* _G. C. Greubel_, Jan 22 2018 *)

%o (PARI) x='x+O('x^30); concat([0], Vec(serlaplace(sinh(sin(log(1+x)))))) \\ _G. C. Greubel_, Jan 22 2018

%K sign,easy

%O 0,4

%A _R. H. Hardin_

%E Extended with signs by _Olivier GĂ©rard_, Mar 15 1997

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Last modified April 24 09:38 EDT 2024. Contains 371935 sequences. (Running on oeis4.)