A230839 Number of nX6 0..3 arrays x(i,j) with each element horizontally, vertically or antidiagonally next to at least one element with value (x(i,j)+1) mod 4, and upper left element zero

0, 8974, 10550264, 9617769208, 8988055879558, 8428081775041778, 7899599586975791528, 7404104956669952823022, 6939731658949591906274844, 6504482883205181770088621656, 6096531906604802985735282788524

Offset

1,2

Comments

Column 6 of A230840

Links

R. H. Hardin, Table of n, a(n) for n = 1..27

Example

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

Crossrefs

Sequence in context: A237164 A250368 A234755 * A339348 A251234 A144126

Adjacent sequences: A230836 A230837 A230838 * A230840 A230841 A230842

Keyword

nonn

Author

R. H. Hardin, Oct 31 2013

Status

approved