OFFSET
1,1
COMMENTS
Table starts
...4....16.......50........130.........296...........610...........1163
..10...100......684.......3526.......14751.........52591.........165212
..20...400.....5029......44803......308470.......1738756........8350154
..35..1225....25410.....358118.....3770722......31585056......219861244
..56..3136....99634....2086196....31831914.....378122264.....3661410444
..84..7056...325120....9647292...204647416....3322756326....43307637038
.120.14400...922768...37395816..1067023886...22985966340...392525216516
.165.27225..2346883..126087157..4710529013..131366850521..2873859236297
.220.48400..5462600..379654704.18159308422..642224541548.17659521902693
.286.81796.11818092.1040942916.62548820489.2756467192963.93729371629362
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..420
FORMULA
Empirical: columns k=1..7 are polynomials of degree 3*k
Empirical: rows n=1..7 are polynomials of degree 6*n
EXAMPLE
Some solutions for n=3 k=4
..0..2..1..1....0..0..2..0....0..1..1..0....1..2..0..0....2..2..2..0
..0..2..2..1....1..1..2..0....0..3..2..1....1..2..2..0....3..2..2..1
..1..3..3..3....2..3..2..1....3..3..2..1....2..3..3..2....3..2..2..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Mar 30 2013
STATUS
approved