OFFSET
1,1
COMMENTS
Table starts
....16.....40....100.....260.....676.....1716.....4356.....11220.....28900
....40.....96....224.....576....1408.....3456.....8320.....20864.....50816
...100....224....510....1336....3196.....7888....18616.....47776....114688
...260....576...1336....3756....9368....24392....59944....164576....411300
...676...1408...3196....9368...23064....61676...149828....433296...1073036
..1716...3456...7888...24392...61676...175588...441004...1379208...3532152
..4356...8320..18616...59944..149828...441004..1091308...3629540...9151956
.11220..20864..47776..164576..433296..1379208..3629540..13289252..35756268
.28900..50816.114688..411300.1073036..3532152..9151956..35756268..94533508
.73780.125312.287552.1098776.3000848.10752096.29663392.128976744.365151860
LINKS
R. H. Hardin, Table of n, a(n) for n = 1..264
EXAMPLE
Some solutions for 4 X 3
..1..1..1....1..1..0....1..1..0....1..1..1....0..1..1....0..1..1....1..0..0
..1..0..0....1..1..0....1..0..0....0..1..1....1..0..1....0..0..0....1..0..1
..0..0..0....1..0..0....1..0..0....1..0..1....1..1..0....1..1..0....0..0..1
..0..0..1....0..0..0....1..1..1....1..1..0....0..0..0....1..1..1....1..1..1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Feb 04 2011
STATUS
approved