A241311 Number of 6Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of the elements above it or zero plus the sum of the elements diagonally to its northwest or zero plus the sum of the elements antidiagonally to its northeast, modulo 4.
129, 28, 869, 4499, 41336, 490486, 5098814, 41458261, 447396605, 4122362491, 31003207359
Offset: 1
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Examples
Some solutions for n=3 ..3..2..3....2..3..2....3..2..2....2..3..2....3..2..3....2..3..3....3..2..2 ..1..0..3....2..3..2....3..0..1....2..3..2....1..2..1....2..1..2....3..0..1 ..2..0..1....2..1..2....1..2..2....3..1..3....3..2..3....2..0..1....1..2..2 ..2..0..3....1..3..1....1..0..3....1..2..1....2..1..1....1..3..1....2..3..3 ..3..0..1....2..0..3....3..2..2....2..3..2....1..3..3....2..3..3....3..1..2 ..2..0..3....3..0..2....3..0..2....1..3..2....1..0..2....3..0..1....3..0..2
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