OFFSET
1,1
COMMENTS
Table starts
.......512........3375..........21952............140608..............884736
......3375.......39852.........463006...........5281190............59025322
.....21952......463006........9583440.........194160522..........3844025984
....140608.....5281190......194160522........6967413024........243722971680
....884736....59025322.....3844025984......243722971680......15037777879872
...5545233...656805747....75733658665.....8480014708481.....922491768788283
..34645976..7283102949..1486288137310...293803461491618...56336934011827612
.216000000.80572967431.29093999130722.10151010566609616.3430565103477146672
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..126
FORMULA
Empirical for column k:
k=1: [linear recurrence of order 19]
k=2: [order 49]
EXAMPLE
Some solutions for n=2 k=4
..0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0
..1..0..1..0..1..0....0..1..1..0..1..0....1..0..0..1..1..1....0..0..0..1..1..0
..1..0..1..1..1..0....0..0..0..1..0..0....0..0..1..0..0..1....0..0..0..0..0..0
..0..1..1..0..0..1....1..1..1..0..0..1....1..0..0..1..0..1....1..1..0..1..0..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Nov 25 2014
STATUS
approved