OFFSET
1,1
COMMENTS
Table starts
.........256.............1980................15082....................120808
........1980............41220...............821234..................17627820
.......15082...........821234.............39609294................2137181038
......120808.........17627820...........2137181038..............300627324700
......972356........380945760.........114598315886............41627000140944
.....7935194.......8406402902........6318680517398..........5948570417327342
....65088736.....187274820848......350887832861914........853258883465178716
...536949612....4212082221444....19674122669454962.....123366442531682683412
..4446049514...95349805566302..1108527743646628762...17883818961748533773410
.36942292664.2169810608997912.62708450627429169774.2598541529967055129095912
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..112
FORMULA
Empirical for column k:
k=1: [linear recurrence of order 12]
k=2: [order 25]
k=3: [order 59]
EXAMPLE
Some solutions for n=2 k=4
..0..0..1..0..2....0..0..0..2..1....0..0..0..0..1....0..0..0..3..2
..0..2..0..2..0....0..3..0..3..0....0..3..0..3..0....0..3..0..0..1
..0..0..2..1..0....2..3..3..3..3....1..0..1..1..2....2..1..3..3..2
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Feb 06 2014
STATUS
approved