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A024330 Expansion of tanh(log(1+x))*log(1+x)/2. 0

%I #11 Apr 02 2017 15:39:13

%S 0,0,1,-3,7,-10,-18,168,360,-19008,262080,-2724480,25194240,

%T -232951680,2505444480,-34676812800,577980748800,-10296734515200,

%U 185178186547200,-3347775973785600,62005095419904000,-1204098364514304000

%N Expansion of tanh(log(1+x))*log(1+x)/2.

%t Tanh[ Log[ 1+x ] ]*Log[ 1+x ]/2

%Y Cf. A009779.

%K sign

%O 0,4

%A _R. H. Hardin_

%E Extended with signs, Mar 1997

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Last modified March 29 06:13 EDT 2024. Contains 371265 sequences. (Running on oeis4.)