A219145 - OEIS

A219145

Unchanging value maps: number of 4Xn binary arrays indicating the locations of corresponding elements unequal to no horizontal, diagonal or antidiagonal neighbor in a random 0..2 4Xn array

1, 51, 331, 1774, 10505, 59127, 341648, 1963817, 11341895, 65406069, 377314947, 2175983774, 12550566460, 72389111386, 417539600863, 2408347532016, 13891206637891

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OFFSET

1,2

COMMENTS

Row 4 of A219142

LINKS

Table of n, a(n) for n=1..17.

EXAMPLE

Some solutions for n=3

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

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

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