A230466 Number of n X 5 0..2 arrays x(i,j) with each element horizontally, diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 3, and upper left element zero.

0, 216, 35052, 3062214, 281740616, 26096227960, 2412390974650, 223089594072370, 20629925261099416, 1907729918140906612, 176415244360852716250, 16313809796506210420328, 1508601933663945808015846

Offset

1,2

Comments

Column 5 of A230469.

Links

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

R. H. Hardin, Empirical recurrence of order 68

Formula

Empirical recurrence of order 68 (see link above).

Example

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

Crossrefs

Cf. A230469.

Sequence in context: A133052 A365629 A078204 * A201248 A207553 A207547

Adjacent sequences: A230463 A230464 A230465 * A230467 A230468 A230469

Keyword

nonn

Author

R. H. Hardin, Oct 20 2013

Status

approved