A186052 T(n,k)=Number of (n+2)X(k+2) binary arrays with each 3X3 subblock singular

338, 2038, 2038, 12278, 21466, 12278, 72802, 224698, 224698, 72802, 434174, 2270854, 4071834, 2270854, 434174, 2588842, 23369314, 69579654, 69579654, 23369314, 2588842, 15426974, 240280270, 1231779874, 1926378146, 1231779874

Offset

1,1

Comments

Table starts

........338..........2038............12278...............72802

.......2038.........21466...........224698.............2270854

......12278........224698..........4071834............69579654

......72802.......2270854.........69579654..........1926378146

.....434174......23369314.......1231779874.........56374248542

....2588842.....240280270......21790214094.......1642063770394

...15426974....2466606274.....384595851458......47475070890310

...91951882...25348415950....6808982811886....1379260723246658

..548068238..260479732738..120583672850434...40045291785767870

.3266618650.2676521643406.2135856648045198.1162075116201924610

Links

R. H. Hardin, Table of n, a(n) for n = 1..112

Example

Some solutions for 5X4
..0..0..0..0....0..0..0..1....0..1..1..0....0..0..0..0....0..1..0..1
..1..0..0..1....1..1..0..1....0..1..0..1....0..1..0..1....0..0..1..1
..0..1..1..0....0..0..0..0....0..1..0..1....0..1..1..1....0..0..0..0
..0..0..0..0....0..0..1..1....0..0..0..0....0..1..1..1....0..0..0..0
..0..0..1..0....0..0..0..0....0..1..0..0....1..0..0..1....1..0..0..1

Crossrefs

Sequence in context: A202443 A188213 A250802 * A186044 A070311 A205648

Adjacent sequences: A186049 A186050 A186051 * A186053 A186054 A186055

Keyword

nonn,tabl

Author

R. H. Hardin Feb 11 2011

Status

approved