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

1,12

Comments

Column 5 of A216645

Links

Table of n, a(n) for n=1..21.

Example

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

Crossrefs

Sequence in context: A059731 A001315 A340595 * A002040 A162110 A108071

Adjacent sequences: A216640 A216641 A216642 * A216644 A216645 A216646

Keyword

nonn

Author

R. H. Hardin Sep 11 2012

Status

approved