A112003 - OEIS

%I #3 Oct 12 2012 14:40:24

%S -30,1827,-75915,2774695,-97362265,3410657250,-121647896370,

%T 4464233824050,-169525943987400,6681570663692925,-273715584240223125,

%U 11660420923428902625,-516518847915111916875,23780637468174359272500,-1137205925185934836732500

%N One fourth of fifth column (k=4) of triangle A111999.

%F a(n)=A111999(n+5, 4)/4, n>=0.

%K sign,easy

%O 0,1

%A _Wolfdieter Lang_, Sep 12 2005