OFFSET
1,1
COMMENTS
Table starts
........81..........549...........3459............20537............118383
.......549.........8678.........125917..........1660676..........20719004
......3459.......125917........4421414........140378037........4163928036
.....20537......1660676......140378037......11284713813......864122401640
....118383.....20719004.....4163928036.....864122401640...179329543464972
....668041....246491295...114786490439...61249068090242.34988442623259443
...3720671...2840913933..2990032682541.4044723177106236
..20536617..31961677744.74106981549899
.112678583.353604367053
.615713801
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..60
FORMULA
Empirical for column 1: [linear recurrence of order 14]
EXAMPLE
Some solutions for n=2 k=4
..1..0..1..0..0....1..0..0..2..2....0..0..0..0..0....0..0..0..2..0
..0..0..0..0..1....0..0..1..0..2....0..0..0..0..2....0..0..0..0..1
..0..0..0..2..0....1..1..0..0..0....1..0..0..2..2....1..0..2..2..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Jan 12 2014
STATUS
approved