%I

%S 1,2,3,5,7,10,13,18,22,29,35,43,51,63,72,87,99,115,130,152,168,193,

%T 214,241,265,300,324,364,396,436,472,520,556,613,658,714,762,832,880,

%U 957,1017,1089,1155,1247,1311,1409

%N Sum_{k=1}^n J_2(k)/24.

%C See A115000 for further information.

%K nonn

%O 4,2

%A Franklin T. Adams-Watters, Dec 10 2005