A208877
Number of 6Xn 0..3 arrays with new values 0..3 introduced in row major order and no element equal to more than one of its immediate leftward or upward or right-upward antidiagonal neighbors.
Original entry on oeis.org
187, 405481, 808928836, 1574432811027, 3057224057476808, 5935974611645510227, 11525604443642285224422, 22378818401741996203540140, 43452103699438321679996424291, 84369306929975201481569423835330
Offset: 1
Some solutions for n=4
..0..1..2..3....0..1..0..0....0..0..0..1....0..0..0..0....0..1..1..0
..0..1..2..0....2..2..1..2....2..3..2..0....1..1..1..0....0..0..1..1
..0..1..3..0....1..2..3..2....1..2..1..1....0..0..1..1....1..0..2..1
..2..0..3..0....0..3..0..0....1..0..2..1....1..0..0..2....1..1..0..3
..2..0..3..1....1..3..2..1....3..3..1..2....3..1..1..2....2..3..0..0
..1..2..0..2....1..2..1..2....0..2..3..1....0..2..0..0....0..2..1..3
A208878
Number of 7Xn 0..3 arrays with new values 0..3 introduced in row major order and no element equal to more than one of its immediate leftward or upward or right-upward antidiagonal neighbors.
Original entry on oeis.org
715, 5826959, 40380275500, 271499374919883, 1820216057105650386, 12201956787655438957014, 81798476241280856702695038, 548357000894509223687629476021, 3676054154412185019451007694406065
Offset: 1
Some solutions for n=4
..0..0..0..0....0..1..0..0....0..0..0..1....0..0..0..1....0..0..0..0
..1..2..1..1....1..0..1..2....1..1..0..0....1..1..2..1....1..1..1..1
..1..0..2..1....1..2..0..0....0..1..2..1....2..1..0..3....0..2..3..3
..3..3..1..2....3..1..3..0....3..1..3..0....2..3..0..0....3..2..0..0
..0..2..3..1....1..0..1..3....0..1..0..2....0..2..1..3....3..0..2..0
..2..0..0..1....2..3..1..3....0..1..0..2....2..0..1..0....2..3..3..0
..0..2..2..0....2..2..1..1....0..1..1..1....2..0..1..2....0..0..3..2
A208865
Number of n X n 0..3 arrays with new values 0..3 introduced in row major order and no element equal to more than one of its immediate leftward or upward or right-upward antidiagonal neighbors.
Original entry on oeis.org
1, 12, 6520, 52947540, 5134914951163, 5935974611645510227, 81798476241280856702695038, 13436627707296496011221331402032076, 26310300796694291418752809230234516335649298
Offset: 1
Some solutions for n=4
..0..1..0..0....0..0..0..1....0..0..0..0....0..1..1..1....0..0..0..1
..2..0..3..0....1..1..2..0....1..1..1..2....0..0..0..1....1..2..2..0
..2..0..3..1....0..1..1..3....2..0..1..3....1..1..0..0....1..3..1..3
..1..2..0..2....3..0..3..1....1..3..0..1....0..1..1..1....1..0..3..0
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