OFFSET
1,1
COMMENTS
Table starts
.......81.........331...........1337...............5819.................25665
......331........2529..........19175.............160005...............1361797
.....1337.......19175.........273756............4384979..............71061267
.....5819......160005........4384979..........135347721............4188037863
....25665.....1361797.......71061267.........4188037863..........244543486040
...116187....11938523.....1184249828.......132748335297........14599663417999
...532185...105900839....19835148309......4208355146361.......868139379770175
..2467403...950031897...334897261287....134202687618205.....51894532499038489
.11527361..8571447311..5664023361820...4277984976206545...3096658579246734659
.54215595.77703482543.96038927867955.136603366590475107.185083514232316446680
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..180
FORMULA
Empirical for column k:
k=1: [linear recurrence of order 15]
k=2: [order 30]
k=3: [order 73]
EXAMPLE
Some solutions for n=2 k=4
..0..2..1..2..1....1..0..1..2..2....0..2..2..1..2....0..1..1..2..1
..1..1..2..0..2....2..2..2..1..1....1..1..0..1..2....2..2..1..0..2
..2..0..2..1..1....1..0..1..1..2....1..2..2..2..1....1..1..2..1..2
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Feb 08 2014
STATUS
approved