A279803 Number of nX4 0..2 arrays with no element equal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

4, 196, 19376, 1476500, 110514378, 8028037200, 573336320344, 40364489132724, 2810020691400808, 193831137138886892, 13268230089583775030, 902385132437593702794, 61032878082356786970528, 4108195708114892413443354

Offset

1,1

Comments

Column 4 of A279805.

Links

R. H. Hardin, Table of n, a(n) for n = 1..89

Example

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

Crossrefs

Cf. A279805.

Sequence in context: A144044 A221197 A180991 * A209288 A263422 A065246

Adjacent sequences: A279800 A279801 A279802 * A279804 A279805 A279806

Keyword

nonn

Author

R. H. Hardin, Dec 19 2016

Status

approved