OFFSET
1,5
COMMENTS
Table starts
..1.....1........1...........2..............3.................6
..1.....3........6..........18.............60...............210
..1.....6........1.........180............116..............8016
..2....18......180........2184..........28440............385316
..3....60......116.......28440.........150979..........20021342
..6...210.....8016......385316.......20021342........1085177164
.10...756.....9746.....5358022......174883800.......60444425412
.20..2772...398126....75912216....15784256016.....3432989914472
.35.10296...725872..1090973732...190371233229...197894482415760
.70.38610.20910204.15858156696.13214123612340.11543252431044600
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..2000
EXAMPLE
All solutions for 3 X 3 with a(1,1)=0
..0..1..0
..1..0..1
..0..1..0
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Jan 03 2011
STATUS
approved