OFFSET
1,7
COMMENTS
Table starts
....1......1........1...........4..............5..............14
....1......1........3..........12.............38.............124
....1......3........5..........61............157............1972
....4.....12.......61.........457...........3411...........31487
....5.....38......157........3411..........25724..........640355
...14....124.....1972.......31487.........640355........14332759
...17....430.....5625......317655........5969486.......368332772
...70...1530....66494.....3161392......171452513.....10043940772
...89...5378...199913....31436637.....1679184332....284244110551
..326..18938..2287282...315944445....49651101137...8226667384808
..413..67042..7139249..3182997999...492598252164.241133356688912
.1630.238446.79717242.32059374557.14686568899907
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..144
EXAMPLE
Some solutions for n=3 k=4
..0..1..0..0....0..0..0..0....0..0..0..1....0..0..1..1....0..0..0..0
..1..0..0..0....0..0..0..1....0..0..0..0....1..1..1..1....0..0..0..0
..0..0..0..0....0..0..1..2....0..0..0..1....1..1..1..1....0..1..0..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Feb 27 2013
STATUS
approved