OFFSET
1,2
COMMENTS
Table starts
....1.......3.........7.........19..........51..........141..........393
....3......19........73........335........1593.........7669........37311
....7......73.......415.......2921.......19541.......149149......1067983
...19.....335......2921......31753......359017......4188917.....49553277
...51....1593.....19541.....359017.....6221993....119412837...2229078023
..141....7669....149149....4188917...119412837...3573771563.108356007319
..393...37311...1067983...49553277..2229078023.108356007319
.1107..184335...8193025..594443301.43322352587
.3139..919889..60897081.7206865523
.8953.4620477.469758219
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..84
EXAMPLE
Some solutions for n=5 k=3
.-1.-1.-1....1..1..1....0.-1.-1....1..0..0...-1.-1..1....1.-1.-1....1..1..0
..0..0.-1...-1.-1..0....1..1..1....1..0..0....1..1.-1...-1.-1..0....1..1..0
..0..0..1...-1.-1..0....1.-1.-1...-1..0..0....1..1.-1....0..0..0...-1.-1..0
..0..0..1....1..1..1....1.-1..0...-1.-1.-1....0..0..0....1..1..0...-1.-1.-1
..1..1..0...-1.-1..0....1.-1..0....0..1..1...-1..0..0...-1..1..1...-1..1..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Dec 10 2011
STATUS
approved