OFFSET
1,1
COMMENTS
Table starts
.........256..........1768..........12441...........88964..........636720
........1768.........21410.........265306.........3351086........42195634
.......12441........265306........5825366.......130240640......2894506130
.......88964.......3351086......130240640......5180304200....204201919828
......636720......42195634.....2894506130....204201919828..14245150393666
.....4539422.....529992314....64281925312...8050312460472.994081770428554
....32392585....6659762642..1428716811643.317615484901450
...231168380...83778337524.31771479675504
..1651386880.1053822365410
.11781707484
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..60
FORMULA
Empirical for column k:
k=1: [linear recurrence of order 40] for n>41
EXAMPLE
Some solutions for n=2 k=4
..0..0..2..3..0....0..0..0..2..0....0..0..0..1..0....0..0..3..0..2
..1..2..1..3..2....3..1..2..1..1....3..3..2..2..1....3..1..2..3..2
..2..3..0..0..1....3..1..3..3..0....1..3..2..1..1....1..1..3..1..2
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Feb 15 2014
STATUS
approved