A060077 Fifth column of triangle A060074.

1, 55, 3486, 281210, 28862471, 3706931865, 584856590956, 111432850130020, 25255179275602941, 6719606199432053675, 2074965724098955112426, 736196253336729035680830, 297480985088238886530733411

Offset: 0

Author

Wolfdieter Lang, Mar 16 2001

Keywords

• nonn
• easy

Comments

Also fifth diagonal of triangle A060058.

a(n) is n-fold iterated sum of squares with last upper summation index 5 and other upper summation indices j[k]+1, k=2,...,n. See Comments A060061 for the threefold iteration with last upper summation index n.

Crossrefs

Cf. A060058, A060061, A060074.

Formula

a(n) = A060074(n+4, 4) = A060058(4+n, n).