OFFSET
1,1
COMMENTS
Table starts
.......256........1608.........10664............72584..............499560
......1608.......15800........165780..........1792226............18918620
.....10664......165780.......2842692.........51036456...........961463420
.....72584.....1792226......51036456.......1809464182.........63323756608
....499560....18918620.....961463420......63323756608.......4251191656884
...3342416...202875630...18066348584....2281444628340.....277864575306608
..22488016..2177434900..345494546192...79094196555400...18866641119536914
.152285824.23302931502.6395305423256.2844505175089988.1284534193930221572
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..112
FORMULA
Empirical for column k:
k=1: [linear recurrence of order 20] for n > 21.
k=2: [order 56] for n > 58.
EXAMPLE
Some solutions for n=2, k=4
..1..0..2..1..3....1..0..2..1..3....0..0..3..1..2....1..0..1..0..2
..3..2..1..1..0....1..3..2..1..2....2..2..2..3..0....2..1..0..2..1
..2..3..2..2..3....2..0..3..1..2....3..1..2..0..3....2..0..2..0..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Feb 18 2014
STATUS
approved