A206126 - OEIS

A206126

Number of (n+1)X7 0..2 arrays with every 2X2 subblock having nonzero determinant and having the same number of clockwise edge increases as its horizontal and vertical neighbors

21940, 491162, 13475116, 404927788, 12251680342, 372768662926, 11329725297298, 344897509718070, 10488584427995232, 319255468024182244, 9710751056424521182, 295543173753212342684, 8990520516421539201648

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

OFFSET

1,1

COMMENTS

Column 6 of A206128

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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