OFFSET
1,2
COMMENTS
Table starts
....1.........3.............8..............21...............55..............144
....3........33...........352............3721............39254...........413908
....8.......352.........14704..........609961.........25266305.......1046229704
...21......3721........609961........98570764......15891102336....2560795894232
...55.....39254......25266305.....15891102336....9939389451855.6208776036030698
..144....413908....1046229704...2560795894232.6208776036030698
..377...4363921...43318295565.412629557874937
..987..46008619.1793512771275
.2584.485064009
.6765
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..59
EXAMPLE
Some solutions for n=3 k=4
..0..0..0..1....0..2..1..0....0..1..0..3....0..4..0..1....0..1..3..2
..1..5..2..2....0..2..1..2....0..2..1..1....0..0..1..0....0..1..1..0
..0..1..0..0....0..0..1..3....0..1..3..0....2..2..1..1....1..2..0..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Jan 03 2013
STATUS
approved