OFFSET
1,4
COMMENTS
Table starts
....0........1............2...............4.................8
....1........9...........49.............289..............1681
....2.......49..........656...........12544............200072
....4......289........12544..........643204..........31203396
....8.....1681.......200072........31203396........4235650596
...16.....9801......3485689......1539699121......619901126244
...32....57121.....58132316.....75512292025....86907967843320
...64...332929....990486784...3709710975721.12474883501876324
..128..1940449..16699002692.182118668668225
..256.11309769.282999528529
..512.65918161
.1024
Even rows and columns are perfect squares.
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..84
EXAMPLE
Some solutions for n=3, k=4:
..1..1..1..2....1..1..1..1....1..1..0..2....1..1..2..1....1..1..2..0
..2..1..0..1....0..0..1..0....2..2..1..1....1..2..0..1....1..1..0..0
..0..1..2..0....2..2..2..1....0..0..2..0....0..2..0..1....1..2..1..2
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Jan 02 2013
STATUS
approved