A184686 T(n,k)=Number of (n+1)X(k+1) binary arrays with every 2X2 subblock singular

10, 28, 28, 76, 128, 76, 208, 544, 544, 208, 568, 2384, 3360, 2384, 568, 1552, 10384, 21968, 21968, 10384, 1552, 4240, 45392, 140816, 221968, 140816, 45392, 4240, 11584, 198352, 909520, 2171152, 2171152, 909520, 198352, 11584, 31648, 867152, 5858896

Offset

1,1

Comments

Table starts

....10.......28.........76..........208............568.............1552

....28......128........544.........2384..........10384............45392

....76......544.......3360........21968.........140816...........909520

...208.....2384......21968.......221968........2171152.........21547024

...568....10384.....140816......2171152.......31817360........476660624

..1552....45392.....909520.....21547024......476660624......10876933264

..4240...198352....5858896....212829840.....7079094288.....245133874960

.11584...867152...37779664...2107074576...105530924944....5556396815504

.31648..3791056..243525712..20846869136..1570852959248..125663816659728

.86464.16575056.1569965008.206331811088.23397537190544.2845061488472976

Links

R. H. Hardin, Table of n, a(n) for n = 1..480

Example

Some solutions for 4X3
..0..1..1....1..0..0....0..0..1....0..0..0....1..0..0....0..0..1....0..1..1
..0..0..0....0..0..1....1..0..1....1..0..0....0..0..1....1..0..1....0..0..0
..1..0..0....0..0..0....1..0..1....0..0..0....0..0..0....0..0..0....0..0..0
..0..0..0....0..0..0....0..0..1....0..1..1....0..1..0....1..1..0....1..0..1

Crossrefs

Column 1 is A026150(n+2)=2*A052945(n+1)

Sequence in context: A007705 A196356 A196359 * A251326 A363133 A022422

Adjacent sequences: A184683 A184684 A184685 * A184687 A184688 A184689

Keyword

nonn,tabl

Author

R. H. Hardin Jan 19 2011

Status

approved