OFFSET
1,1
COMMENTS
Table starts
........256........2404........22994........218568.......2089160
.......2404.......42264.......722548......12435076.....215833320
......22994......722548.....21941716.....674450852...21249328546
.....218568....12435076....674450852...38512116748.2269448820024
....2089160...215833320..21249328546.2269448820024
...19942272..3742165712.666177945884
..190367530.64753334132
.1816294128
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..40
FORMULA
Empirical for column k:
k=1: [linear recurrence of order 17]
k=2: [order 87]
EXAMPLE
Some solutions for n=2 k=4
..0..0..2..0..1....0..0..2..2..1....0..0..1..1..3....0..0..3..3..0
..0..1..3..0..1....0..1..2..0..0....0..1..0..2..3....0..0..3..1..0
..2..0..3..2..1....2..3..2..0..1....0..1..3..3..3....2..2..3..1..2
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Jan 18 2014
STATUS
approved