A222429 Number of n X 6 0..2 arrays with exactly floor(n X 6/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..2 order.

8, 132, 3256, 88455, 2601092, 82680222, 2808238414, 98100073298, 3504105045604, 126705958977726, 4623105672776524, 169550295734980346, 6244500811200885850, 230628865248771607224

Offset

1,1

Comments

Column 6 of A222430.

Links

Table of n, a(n) for n=1..14.

Example

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

Crossrefs

Cf. A222430.

Sequence in context: A365058 A241076 A349683 * A365340 A237026 A079912

Adjacent sequences: A222426 A222427 A222428 * A222430 A222431 A222432

Keyword

nonn

Author

R. H. Hardin, Feb 19 2013

Status

approved