OFFSET
1,1
COMMENTS
Table starts
..2..2...3.....4......5........6.........7...........8............9
..2..3...5.....7......9.......11........13..........15...........17
..3..5..13....25.....45.......78.......130.........208..........320
..4..7..25....64....158......374.......841........1789.........3619
..5..9..45...158....518.....1648......5007.......14438........39672
..6.11..78...374...1648.....6976.....28224......109313.......406229
..7.13.130...841...5007....28224....154731......826518......4288588
..8.15.208..1789..14438...109313....826518.....6221117.....45999310
..9.17.320..3619..39672...406229...4288588....45999310....488520098
.10.19.475..7008.104598..1455051..21496147...327930272...4982631878
.11.21.683.13059.266066..5040870.103865903..2238332926..48341417799
.12.23.955.23510.654865.16907432.483620093.14638402213.447478385748
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..220
EXAMPLE
Some solutions for n=3 k=4
..0..0..0..1....0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0
..0..0..1..1....0..0..0..0....0..0..0..0....0..0..0..0....0..0..0..0
..1..1..1..1....0..0..0..1....0..0..0..0....0..1..1..1....1..1..0..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Nov 25 2012
STATUS
approved