A222578 Number of 6Xn 0..2 arrays with no more than floor(6Xn/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..2 order.
122, 200, 5210, 50535, 881766, 14120189, 278335019, 5890042566, 140281638242
Offset: 1
Keywords
Examples
Some solutions for n=3 ..0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..1 ..1..0..2....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0....0..0..0 ..2..0..2....0..0..0....0..0..0....0..0..0....1..0..0....0..0..0....0..0..0 ..2..2..2....0..0..1....0..0..0....1..0..0....1..0..0....1..0..2....0..0..0 ..2..2..2....1..1..1....1..1..0....0..0..2....2..0..0....2..0..0....0..0..1 ..2..2..2....1..1..0....0..2..0....2..0..1....0..0..2....2..0..0....2..0..2
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