A183845 T(n,k)=Number of (n+1)X(k+1) binary arrays with each element of every 2X2 subblock being the sum mod 2 of two others

11, 31, 31, 88, 129, 88, 251, 542, 542, 251, 717, 2297, 3357, 2297, 717, 2050, 9747, 21068, 21068, 9747, 2050, 5863, 41430, 132152, 197133, 132152, 41430, 5863, 16771, 176119, 831331, 1839599, 1839599, 831331, 176119, 16771, 47976, 748937, 5226955

Offset

1,1

Comments

Table starts

.....11.......31.........88..........251............717.............2050

.....31......129........542.........2297...........9747............41430

.....88......542.......3357........21068.........132152...........831331

....251.....2297......21068.......197133........1839599.........17250758

....717.....9747.....132152......1839599.......25468475........355075734

...2050....41430.....831331.....17250758......355075734.......7377050305

...5863...176119....5226955....161545837.....4937888557.....152705583143

..16771...748937...32887826...1514840541....68813532021....3170254841114

..47976..3184790..206882773..14197275248...958037081176...65722388742561

.137247.13544009.1301662324.133112213345.13347035945673.1363817555468924

Links

R. H. Hardin, Table of n, a(n) for n = 1..364

Example

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

Crossrefs

Sequence in context: A196114 A250468 A259515 * A022423 A173972 A167488

Adjacent sequences: A183842 A183843 A183844 * A183846 A183847 A183848

Keyword

nonn,tabl

Author

R. H. Hardin Jan 07 2011

Status

approved