OFFSET
1,5
COMMENTS
Table starts
.0....0...0.......1......0........0......0.........1........0.....0.....0.1
.0....4...4......25.....52......196....520......1681.....4840.14884.44044
.0....0...0.....100......0........0......0.....46656........0.....0
.0...16..16....1089...4920....94864.707600...9517225.87086136
.0....0...0....6724......0........0......0.644652100
.0...64..64...56644.626424.62220544
.0....0...0..400689......0
.0..256.256.3122289
.0....0...0
.0.1024
.0
Even columns are perfect squares
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..71
EXAMPLE
Some solutions for n=4 k=4
..0..0..0..2....0..0..0..0....0..0..0..2....2..2..2..0....0..0..2..0
..2..2..2..0....2..2..2..2....2..2..2..0....0..2..0..2....2..2..2..2
..2..2..0..0....0..0..0..2....0..2..2..2....2..2..2..0....0..0..0..2
..0..2..2..0....2..2..2..0....2..0..0..0....0..0..0..0....0..2..2..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Jan 09 2013
STATUS
approved