OFFSET
1,1
COMMENTS
Table starts
....3........9..........25.............69...............190
....9.......81.........625...........4761.............36100
...25......625.......11804.........219714...........4056056
...69.....4761......219714........9974630.........448162001
..190....36100.....4056056......448162001.......48956655199
..523...273529....74880210....20163037412.....5365256703040
.1440..2073600..1384146457...908849973079...589775000656222
.3965.15721225.25593791994.40990717802193.64882388838696223
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..112
EXAMPLE
Some solutions for n=4 k=3
..0..0..0....2..1..0....2..2..1....1..0..1....2..2..0....1..1..0....1..2..1
..2..0..2....0..1..1....2..0..2....2..0..2....0..0..2....1..1..1....1..1..1
..2..0..2....1..0..2....2..2..0....0..2..2....2..0..0....0..1..0....1..0..1
..0..0..0....1..2..2....0..2..1....2..0..2....1..0..2....2..1..0....0..1..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Feb 11 2012
STATUS
approved