A012337 - OEIS

%I #6 Aug 04 2024 13:04:59

%S 1,0,12,0,3920,120960,17113536,2185863680,437574641920,

%T 109911351717888,35384622800940032,14042731903340822528,

%U 6754327139234044301312,3868960488190037835612160,2602802755318373957242699776,2031908876248511982604975472640

%N cosh(arcsin(x)*sin(x))=1+12/4!*x^4+3920/8!*x^8+120960/10!*x^10...

%t With[{nn=40},Take[CoefficientList[Series[Cosh[ArcSin[x]Sin[x]],{x,0,nn}],x] Range[0,nn]!,{1,-1,2}]] (* _Harvey P. Dale_, Aug 04 2024 *)

%K nonn

%O 0,3

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

%E Corrected by _Harvey P. Dale_, Aug 04 2024