%I #3 Mar 31 2012 13:20:05

%S 1,30,1211,68060,5162421,510964090,64108947631,9954077496120,

%T 1874917179220841,421327494210872150,111374995513203846051,

%U 34217341079365673500180,12091183195611248756287261

%N Fourth column of triangle A060074.

%C Also fourth diagonal of triangle A060058.

%C a(n) is n-fold iterated sum of squares with last upper summation index 4 and other upper summation indices j[k]+1, k=2,...,n. See Comments A060061 for the threefold iteration with last upper summation index n.

%F a(n)=A060074(n+3, 3)= A060058(3+n, n).

%K nonn,easy

%O 0,2

%A _Wolfdieter Lang_, Mar 16 2001