OFFSET
1,1
COMMENTS
Table starts
.....512......2908.......14096........66144.........299472..........1303600
....2908.....22284......162604......1143216........7346584.........45394736
...14096....162604.....1876256.....19600428......185592928.......1701188284
...66144...1143216....19600428....300044272.....4147335800......55154148308
..299472...7346584...185592928...4147335800....83428823136....1622625002976
.1303600..45394736..1701188284..55154148308..1622625002976...46476504760232
.5525648.275822532.15314952024.715315448772.30656386352160.1288757443440100
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..178
FORMULA
Empirical for column k:
k=1: [linear recurrence of order 26]
k=2: [order 53] for n>65
EXAMPLE
Some solutions for n=2 k=4
..1..1..0..0..0..1....0..0..1..0..0..0....1..1..0..0..0..1....0..0..1..0..0..0
..0..0..1..1..0..0....1..0..0..1..0..0....0..0..0..1..0..0....1..0..0..1..0..1
..0..1..1..1..1..1....0..0..0..0..1..1....0..0..0..1..1..1....1..1..0..1..1..1
..1..0..1..1..0..0....0..1..0..0..1..1....1..0..1..1..0..0....1..1..1..1..1..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Jan 13 2015
STATUS
approved