A239154 Number of (n+1)X(5+1) 0..3 arrays with no element equal to all horizontal neighbors or unequal to all vertical neighbors, and new values 0..3 introduced in row major order.
88, 88, 175471, 3313304, 821135900, 42600989632, 5469574400477, 407538214264758, 41833224277157842, 3546725280596974505, 336756665790055019124, 29889788806323352149140
Offset: 1
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Examples
Some solutions for n=2 ..0..1..2..0..1..3....0..1..2..3..2..3....0..1..2..2..3..1....0..1..2..1..3..0 ..0..1..2..0..1..3....0..1..2..3..2..3....0..1..2..2..3..1....0..1..2..1..3..0 ..0..1..2..0..1..3....0..1..2..3..2..3....0..1..2..2..3..1....0..1..2..1..3..0
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