A216643 Number of nondecreasing arrays of n 1..n integers with the sum of their 5th powers equal to sum(i^5,i=1..n).

1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 4, 8, 21, 45, 159, 483, 1397, 4252, 12860

Offset: 1

Author

R. H. Hardin Sep 11 2012

Keywords

• nonn

Comments

Column 5 of A216645

Examples

			All solutions for n=12
..1....2
..2....3
..3....3
..4....3
..5....5
..6....5
..7....6
..8....8
..9...10
.10...11
.11...11
.12...11