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%I #5 Aug 16 2012 17:41:12
%S 1,0,0,-3,0,10,90,-308,-1680,-1560,123480,43032,-5151960,-40323920,
%T 538618080,3880887592,-32036135040,-815589894720,4367132072640,
%U 121636569852672,-35223107829120,-29236492773887360,-32794445470765440,6014518868589379072,45105535773064694400
%N n-th derivative of cos(x)^tanh(x) at x=0.
%t f[x_] := Cos[x]^Tanh[x]; Table[Derivative[ n] [f][0],{n,0,25}]
%Y Cf. A215587.
%K sign
%O 0,4
%A _Michel Lagneau_, Aug 16 2012