A204971 T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally at least two different ways, and new values 0..1 introduced in row major order

166, 1001, 1001, 6086, 10416, 6086, 36522, 107004, 107004, 36522, 219755, 1085013, 1858301, 1085013, 219755, 1323027, 11064389, 31837899, 31837899, 11064389, 1323027, 7962992, 112737183, 547910909, 916967622, 547910909, 112737183

Offset

1,1

Comments

Table starts

......166........1001..........6086...........36522.............219755

.....1001.......10416........107004.........1085013...........11064389

.....6086......107004.......1858301........31837899..........547910909

....36522.....1085013......31837899.......916967622........26548318278

...219755....11064389.....547910909.....26548318278......1294422106052

..1323027...112737183....9424549410....768548149208.....63103000253312

..7962992..1148525798..162106684241..22245382735903...3075660728764228

.47928592.11702245817.2788440262671.643910842041150.149917008692340855

Links

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

Example

Some solutions for n=3 k=3
..0..0..0..1..1....0..0..0..0..1....0..1..1..0..1....0..0..0..0..1
..1..1..1..1..0....1..1..1..1..0....1..0..1..1..0....0..0..0..1..0
..0..0..1..1..0....0..1..1..1..1....1..1..1..1..0....1..1..0..0..0
..0..1..1..0..1....0..0..1..1..1....1..1..1..1..0....1..0..0..0..0
..0..1..1..1..1....1..1..1..0..0....0..1..0..0..0....0..0..0..0..1

Crossrefs

Sequence in context: A105987 A051963 A033675 * A204964 A241969 A193984

Adjacent sequences: A204968 A204969 A204970 * A204972 A204973 A204974

Keyword

nonn,tabl

Author

R. H. Hardin Jan 21 2012

Status

approved