OFFSET
1,5
COMMENTS
Table starts
..1.....1........1...........2..............3.................6
..1.....3........6..........18.............60...............210
..1.....6.......25.........164...........1092..............7954
..2....18......164........2101..........29100............417190
..3....60.....1092.......29100.........807261..........23226996
..6...210.....7954......417190.......23226996........1333831052
.10...756....57519.....6104168......679637064.......78105333988
.20..2772...429936....90554742....20179029954.....4635786110412
.35.10296..3205504..1356933444...604725622404...277890240523800
.70.38610.24288784.20489622108.18266061977928.16785123061670988
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..3000
EXAMPLE
Some solutions with a(1,1)=0 for 4X6
..0..0..0..0..0..1....0..0..0..0..1..1....0..0..0..0..1..0....0..0..0..1..0..1
..1..1..1..0..1..0....1..1..0..1..1..1....0..0..0..1..1..1....0..0..1..1..1..1
..0..1..1..1..1..1....1..1..0..0..0..0....1..0..1..0..0..1....0..1..1..0..1..1
..0..0..0..0..0..1....1..1..0..0..1..0....1..1..1..1..1..0....0..1..0..0..0..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Jan 03 2011
STATUS
approved