A131815 - OEIS

A131815

The 2n-th derivative of exp(1 - 1/(1 - x^2)) evaluated at 0.

%I #3 Mar 30 2012 17:21:00

%S 1,-2,-12,-120,1680,574560,100457280,18871332480,4068839174400,

%T 997177467686400,265676948766028800,68775633656816486400,

%U 9975596960728285286400,-9408345873371957191680000,-16902988368910895971399680000

%N The 2n-th derivative of exp(1 - 1/(1 - x^2)) evaluated at 0.

%C exp( -1/(1 - x^2)) is the standard "mollifier" function.

%t Series[Exp[1 -1/(1 - x^2)],{x,0,20}]

%K sign

%O 0,2

%A Adam Larios (alarios(AT)math.uci.edu), Oct 23 2007

%E Edited and extended by _Olivier Gérard_, Oct 30 2007.