OFFSET
1,2
COMMENTS
Table starts
...1......2........4.........8.........16.........32........64........128
...2......8.......40.......180........772.......3264.....13634......56456
...4.....40......418......3760......31416.....256736...2075520...16690688
...8....180.....3760.....64324....1043774...16758008.268358624.4294659968
..16....772....31416...1043774...33535224.1073664992
..32...3264...256736..16758008.1073664992
..64..13634..2075520.268358624
.128..56456.16690688
.256.232150
.512
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..59
EXAMPLE
Some solutions for n=3 k=4
..1..0..0..0....1..0..1..1....0..1..0..0....0..1..1..0....1..1..1..0
..1..1..1..0....1..0..0..0....1..0..1..0....0..0..1..1....1..0..0..0
..1..0..1..1....1..1..1..0....1..0..1..0....1..0..0..1....1..0..0..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Jan 20 2013
STATUS
approved