A279302 Number of nX3 0..2 arrays with no element equal to a strict majority of its king-move neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.

0, 12, 498, 14908, 396904, 10073670, 246262496, 5863622944, 136676490546, 3131550460530, 70733849080300, 1578557580824350, 34866752133128860, 763271052441391984, 16578556739715557822, 357612940899237556004

Offset

1,2

Comments

Column 3 of A279305.

Links

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

R. H. Hardin, Empirical recurrence of order 51

Formula

Empirical recurrence of order 51 (see link above)

Example

Some solutions for n=4
..0..1..1. .0..0..1. .0..1..2. .0..0..1. .0..1..2. .0..0..1. .0..1..2
..1..0..0. .2..2..2. .0..0..0. .2..1..0. .1..1..2. .1..2..2. .0..0..1
..2..0..0. .2..2..1. .2..0..2. .1..1..2. .2..0..1. .1..2..2. .2..0..0
..2..0..2. .0..0..0. .2..0..1. .1..2..1. .2..2..2. .2..0..1. .0..1..1

Crossrefs

Cf. A279305.

Sequence in context: A196947 A220258 A220322 * A227052 A176731 A211085

Adjacent sequences: A279299 A279300 A279301 * A279303 A279304 A279305

Keyword

nonn

Author

R. H. Hardin, Dec 09 2016

Status

approved