OFFSET
1,1
COMMENTS
Table starts
....2.....3.......4........5.........6.........7..........8...........9
....6....17......36.......65.......106.......161........232.........321
...26...169.....660.....1951......4822.....10507......20840.......38421
..160..2853...23554...127813....529006...1807653....5349708....14150061
.1386.80573.1602092.17790765.135538054.790197579.3766437036.15329961031
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..99
FORMULA
Empirical: rows n=1..5 are polynomials of degree n(n+1)/2 in k
EXAMPLE
Some solutions for n=3 k=3
....0......0......1......1......2......2......2......2......2......3......3
...0.1....3.0....1.1....0.2....2.1....1.2....3.1....0.2....2.0....3.3....3.2
..2.0.3..3.1.0..0.3.0..0.3.2..3.0.2..1.2.0..3.0.2..3.0.2..2.3.0..1.3.1..3.2.3
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Jul 13 2012
STATUS
approved