A204317 Number of (n+2)X4 0..3 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..3 introduced in row major order

15309, 599534, 24722349, 610123426, 19542294660, 640219515512, 19024434539826, 592133292151157, 18539942968489618, 569964486551172499, 17666458819729503194, 548346787225315800306, 16961895993823798307356

Offset

1,1

Comments

Column 2 of A204320

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=3
..0..1..2..2....0..0..0..1....0..0..1..1....0..1..0..0....0..0..0..0
..1..0..0..0....0..0..0..1....1..1..0..1....1..1..0..0....1..0..1..2
..0..0..0..0....2..3..0..0....1..1..1..1....0..0..0..1....1..0..3..0
..0..1..0..0....0..3..0..0....0..2..1..1....0..0..0..0....0..0..0..0
..0..0..3..0....1..3..0..1....2..3..1..1....0..0..2..1....3..3..3..3

Crossrefs

Sequence in context: A233595 A233594 A064982 * A216945 A258572 A352477

Adjacent sequences: A204314 A204315 A204316 * A204318 A204319 A204320

Keyword

nonn

Author

R. H. Hardin Jan 14 2012

Status

approved