OFFSET
1,1
COMMENTS
Table starts
.........15............151..............1990...............27548
........151...........6329............294983............13804578
.......1990.........294983..........47155911..........7524874363
......27548.......13804578........7524874363.......4089691428777
.....383021......643832706.....1197873588223....2216692870846655
....5327971....30049504156...190817902385518.1202272856786461731
...74147694..1402595823865.30394990249581088
.1031960617.65463971182963
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..49
EXAMPLE
Some solutions for n=4 k=3
..0..0..1..1....0..0..0..0....0..0..0..0....0..0..0..0....0..1..1..0
..2..1..2..0....1..2..3..2....1..2..1..2....1..2..1..2....0..1..2..1
..2..0..3..0....2..1..2..1....0..0..0..0....0..1..2..0....3..2..1..1
..0..2..1..1....1..3..2..0....3..1..2..3....3..3..0..1....1..0..3..2
..0..2..1..0....3..3..0..1....1..0..3..2....0..1..2..1....3..3..0..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Feb 06 2012
STATUS
approved