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A186796
T(n,k)=Half the number of (n+2)X(k+2) binary arrays with each 3X3 subblock having a sum in 2..7
10
246, 1910, 1910, 14825, 29020, 14825, 115069, 440505, 440505, 115069, 893145, 6687805, 13066921, 6687805, 893145, 6932452, 101532811, 387763760, 387763760, 101532811, 6932452, 53808589, 1541462868, 11506373601, 22495797451
OFFSET
1,1
COMMENTS
Table starts
.........246...........1910..............14825................115069
........1910..........29020.............440505...............6687805
.......14825.........440505...........13066921.............387763760
......115069........6687805..........387763760...........22495797451
......893145......101532811........11506373601.........1304974153960
.....6932452.....1541462868.......341441530745........75702797880635
....53808589....23402344941.....10131963654512......4391582264258067
...417653681...355292192013....300656729278809....254759386224257430
..3241761282..5394012633636...8921712703662435..14778806361675616311
.25162034228.81891392695720.264743644646633613.857331004466757829463
LINKS
EXAMPLE
Some solutions for 5X4 with a(1,1)=0
..0..0..0..1....0..0..0..1....0..0..0..0....0..0..0..0....0..0..0..0
..0..0..1..0....1..1..1..1....0..1..1..0....1..1..1..0....0..0..0..1
..1..1..1..1....0..1..1..0....1..1..0..1....1..0..0..1....1..1..0..0
..1..0..0..0....0..0..1..1....1..1..0..0....0..0..0..1....1..1..1..1
..0..1..0..0....0..1..1..1....1..0..0..1....0..1..0..1....0..0..1..1
CROSSREFS
Sequence in context: A231965 A067916 A229577 * A186788 A074995 A251524
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Feb 26 2011
STATUS
approved