A209012 Number of n X n 0..3 arrays with no element equal the average of immediate neighbors vertically above, diagonally above and left, and horizontally left of it.
4, 130, 57412, 337083370, 26361689168962, 27444816617702590210, 380386826513820237531618354, 70188235698940395931354096660136964, 172416055686564260854366909730038107238333862
Offset: 1
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Examples
Some solutions for n=4 ..2..3..1..0....1..2..1..3....2..3..1..3....1..3..2..1....0..1..2..3 ..3..2..3..0....3..3..3..0....3..2..1..1....2..1..0..3....1..3..3..0 ..2..3..3..0....0..3..1..1....0..2..0..1....3..3..3..0....2..0..1..2 ..1..3..0..2....3..1..0..0....1..3..3..1....0..3..1..3....1..2..0..0
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