OFFSET
1,5
COMMENTS
Nonzero solutions with other than 2X2 blocks of 1s first appear for k+n>=12 with both k>=5 and n>=5.
Table starts
.1..1...1...1....1.....1.....1......1.......1........1........1.........1
.1..2...3...4....6.....9....13.....19......28.......41.......60........88
.1..3...5...7...13....23....37.....63.....109......183......309.......527
.1..4...7..10...22....43....73....139.....268......487......904......1708
.1..6..13..22...60...147...310....723....1723.....3917.....8973.....20875
.1..9..23..43..147...439..1077...3005....8707....23625....64333....181321
.1.13..37..73..310..1077..2906...9511...32518....99333...312764...1046598
.1.19..63.139..723..3005..9511..36995..150145...547767..2049243...8099185
.1.28.109.268.1723..8707.32518.150145..739752..3285309.14656969..70963308
.1.41.183.487.3917.23625.99333.547767.3285309.16870217.90056146.543666294
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..337
EXAMPLE
Some solutions for 6X5
..0..0..0..0..0....0..0..0..0..0....0..0..1..1..0....0..0..0..0..0
..1..1..0..0..0....0..0..0..0..0....0..0..1..1..0....1..1..0..0..0
..1..1..0..0..0....1..1..0..0..0....0..0..0..0..0....1..1..0..0..0
..0..0..0..1..1....1..1..0..1..1....1..1..0..0..0....0..0..0..0..0
..1..1..0..1..1....0..0..0..1..1....1..1..0..1..1....1..1..0..1..1
..1..1..0..0..0....0..0..0..0..0....0..0..0..1..1....1..1..0..1..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Jan 05 2011
STATUS
approved