OFFSET
1,4
COMMENTS
Table starts
.....1.........1...........2............11.............34............131
.....1.........7..........60...........724...........7364..........84816
.....2........60........1229.........61757........1073368.......58834301
....11.......724.......61757.......5024944......411489189....33625853402
....34......7364.....1073368.....411489189....46185208463.19094951329287
...131.....84816....58834301...33625853402.19094951329287
...438....927152..1009942505.2757290901238
..2150..10585088.57422493141
..7676.119198624
.32491
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..59
EXAMPLE
Some solutions for n=3 k=4
..0..0..1..0....0..1..2..3....0..1..0..2....0..1..2..1....0..1..0..0
..0..2..2..3....2..2..2..0....2..0..0..1....2..3..0..2....2..3..2..3
..3..2..1..0....0..2..1..2....3..0..2..3....0..3..2..2....0..0..1..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Feb 27 2013
STATUS
approved