A222839
Number of n X 2 0..3 arrays with no more than n elements equal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..3 order.
Original entry on oeis.org
1, 8, 105, 1585, 23107, 353631, 5338646, 81874696, 1252153841, 19270376854, 296641979113, 4580055753005, 70780702170260, 1095722113681548, 16978656325074532, 263390892198118920, 4089414898741050209, 63545865459514492673, 988136631583140164460, 15375690197520184535506
Offset: 1
Some solutions for n=3:
..0..1....0..1....0..1....0..1....0..1....0..1....0..1....0..1....0..1....0..0
..2..3....1..2....1..0....2..3....2..3....2..3....2..0....0..0....2..2....1..2
..1..3....2..3....0..1....0..3....1..0....3..1....0..1....2..1....2..3....2..0
A222840
Number of nX3 0..3 arrays with no more than floor(nX3/2) elements equal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..3 order.
Original entry on oeis.org
2, 105, 4797, 326408, 15364848, 1077545438, 52487425596, 3689615795056, 182579365380505, 12856303224433084, 643621625467714042, 45333053732314073754, 2288743268254953421250, 161184278096856509113288
Offset: 1
Some solutions for n=3
..0..1..2....0..1..1....0..1..2....0..0..1....0..1..0....0..1..0....0..1..1
..1..2..1....2..2..3....1..3..1....2..0..0....2..2..1....2..3..3....2..0..3
A222841
Number of n X 4 0..3 arrays with no more than floor(n X 4/2) elements equal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..3 order.
Original entry on oeis.org
11, 1585, 326408, 70144361, 15371324917, 3410802057085, 763478480305913, 172013012570239087, 38951066890039501260, 8855947103673731502351, 2020193746874015711217978, 462122926444094400382307495
Offset: 1
Some solutions for n=3
..0..1..0..2....0..1..0..1....0..1..1..2....0..1..0..2....0..1..0..2
..2..1..2..1....0..0..2..0....0..0..3..1....2..2..1..0....3..1..2..3
..1..0..3..3....1..1..3..1....2..1..0..2....1..2..2..0....1..3..1..2
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