OFFSET
1,1
COMMENTS
Table starts
......16..........72.............516...............3048..................18944
......72........1064...........16316.............265670................4252876
.....516.......16316..........767942...........33815878.............1481426938
....3048......265670........33815878.........4107586864...........497042884074
...18944.....4252876......1481426938.......497042884074........164594058779448
..115892....67979266.....65570285646.....60461419039912......55003296878624386
..713488..1090643352...2886850804200...7337689178112392...18327756561362881814
.4389504.17469440576.127313989421500.891245405559834402.6110458911406869788438
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..112
FORMULA
Empirical for column k:
k=1: [linear recurrence of order 11]
k=2: [order 37] for n>38
EXAMPLE
Some solutions for n=2 k=4
..0..2..2..0..0....0..2..2..0..2....0..2..2..0..1....0..1..0..2..1
..1..1..2..1..2....1..0..1..2..1....1..0..1..2..1....2..0..1..2..0
..0..2..2..0..1....2..0..2..0..0....0..0..0..1..0....1..2..0..1..2
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Nov 26 2013
STATUS
approved