%I

%S -1,-1,9,649,51841,6825601,1489881601,511943846401,262183528857601,

%T 191138113268121601,191138824350351360001,254405870811372994560001,

%U 439613359905259699568640001,965830554503712299093852160001

%N 3rd Euler polynomial evaluated at x=n! (multiplied by 4).

%K sign

%O 0,3

%A _Simon Plouffe_