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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.
1
0, 216, 35052, 3062214, 281740616, 26096227960, 2412390974650, 223089594072370, 20629925261099416, 1907729918140906612, 176415244360852716250, 16313809796506210420328, 1508601933663945808015846
OFFSET
1,2
COMMENTS
Column 5 of A230469.
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
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 20 2013
STATUS
approved