A222687 - OEIS

A222687

Number of nX5 0..2 arrays with exactly floor(nX5/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..2 order

4, 56, 664, 29770, 419562, 20259516, 301760538, 14776550335, 223789472088, 11086737070564, 169432535832409, 8466158066084383, 130245173094329980, 6547847887143607518, 101251320609392116341, 5113248556389836349026

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 5 of A222690

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..129

EXAMPLE

Some solutions for n=3

..0..0..0..0..0....0..1..0..1..1....0..0..0..0..1....0..0..1..0..0

..0..0..0..0..0....1..1..1..1..1....0..0..0..2..1....2..0..0..0..0

..0..1..0..2..1....2..1..1..1..1....0..0..0..0..0....0..0..0..0..1