A199240
Number of nX2 0..2 arrays with values 0..2 introduced in row major order, the number of instances of each value within one of each other, and every element equal to zero or two horizontal or vertical neighbors.
Original entry on oeis.org
1, 2, 2, 12, 36, 39, 288, 836, 888, 7380, 22149, 23706, 201515, 611372, 654468, 5704006, 17499974, 18760333, 166063522, 513160156, 550594928, 4932198432, 15327377362, 16456851660, 148765279666, 464332349724, 498808175988
Offset: 1
Some solutions for n=4
..0..1....0..1....0..1....0..1....0..1....0..1....0..1....0..1....0..1....0..1
..1..2....1..2....1..2....2..0....2..0....2..0....2..0....1..0....2..0....1..0
..2..0....2..1....0..1....1..2....0..2....1..2....0..1....0..2....1..2....2..1
..1..2....0..2....2..0....2..1....2..1....0..1....1..2....2..1....2..0....0..2
A199241
Number of nX3 0..2 arrays with values 0..2 introduced in row major order, the number of instances of each value within one of each other, and every element equal to zero or two horizontal or vertical neighbors.
Original entry on oeis.org
1, 2, 6, 25, 110, 472, 2080, 9279, 41704, 187500, 853012, 3919309, 18163022, 84589504, 395762792, 1858908001, 8762833946, 41439737234, 196527899276, 934460643457, 4453641597888, 21271612632536, 101795771318046
Offset: 1
Some solutions for n=4
..0..1..2....0..1..2....0..1..2....0..1..2....0..1..0....0..1..2....0..1..0
..1..2..0....2..0..1....1..2..0....2..0..1....1..0..1....1..2..0....2..0..1
..2..0..1....1..2..0....0..1..2....0..1..2....2..2..0....2..0..1....1..2..0
..0..1..2....2..0..1....2..0..1....2..0..1....2..2..1....1..2..0....2..1..2
A199242
Number of nX4 0..2 arrays with values 0..2 introduced in row major order, the number of instances of each value within one of each other, and every element equal to zero or two horizontal or vertical neighbors.
Original entry on oeis.org
3, 12, 25, 440, 2907, 7100, 134821, 934004, 2277108, 46296108, 330908530, 820702285, 17258404593, 125752465794, 315014793177, 6765057712760, 49918706666467, 125910537922412, 2743415189299833, 20425391744058298
Offset: 1
Some solutions for n=5
..0..1..2..1....0..1..0..2....0..1..0..1....0..0..1..0....0..1..0..1
..2..0..1..2....2..2..1..0....1..2..1..2....0..0..2..1....1..0..1..2
..0..2..0..1....2..2..0..1....2..1..2..0....1..2..1..0....0..2..0..1
..2..0..1..0....0..1..1..2....0..2..0..2....2..1..2..1....2..0..2..0
..1..2..0..1....2..1..1..0....1..0..2..0....1..2..0..2....1..2..1..2
A199239
Number of n X n 0..2 arrays with values 0..2 introduced in row major order, the number of instances of each value within one of each other, and every element equal to zero or two horizontal or vertical neighbors.
Original entry on oeis.org
1, 2, 6, 440, 29227, 1682457, 2013526831
Offset: 1
Some solutions for n=4
..0..1..0..1....0..1..1..2....0..1..0..2....0..1..1..0....0..1..0..1
..1..2..2..0....2..1..1..0....2..0..2..1....2..1..1..2....1..0..2..0
..0..2..2..1....0..2..0..2....1..2..1..0....1..0..2..0....0..2..0..2
..2..1..0..2....2..1..2..0....2..0..2..1....0..2..0..2....2..1..2..1
A199243
Number of nX5 0..2 arrays with values 0..2 introduced in row major order, the number of instances of each value within one of each other, and every element equal to zero or two horizontal or vertical neighbors.
Original entry on oeis.org
6, 36, 110, 2907, 29227, 106134, 3190670, 34188947, 128653588, 4104988637, 45715625760, 175247135865, 5792733542191, 65791526001202, 255708129900506, 8623880506094423
Offset: 1
Some solutions for n=4
..0..1..0..2..1....0..1..0..2..1....0..1..2..0..1....0..1..2..0..1
..1..0..2..0..2....1..2..1..0..2....1..2..0..2..0....1..2..0..2..0
..2..1..0..2..0....2..1..0..2..0....2..0..2..1..1....0..1..2..0..1
..1..2..1..0..2....1..2..1..0..2....0..2..0..1..1....1..2..0..1..2
A199244
Number of nX6 0..2 arrays with values 0..2 introduced in row major order, the number of instances of each value within one of each other, and every element equal to zero or two horizontal or vertical neighbors.
Original entry on oeis.org
5, 39, 472, 7100, 106134, 1682457, 27337776, 454364514, 7678775057, 131559174015, 2279099028427
Offset: 1
Some solutions for n=4
..0..1..2..1..2..1....0..1..0..2..1..1....0..1..2..1..0..0....0..1..2..1..2..1
..2..0..1..2..1..2....1..0..1..0..1..1....2..2..1..2..0..0....1..0..1..0..1..2
..0..1..2..1..0..0....2..2..0..2..0..2....2..2..0..1..2..1....0..2..0..1..2..0
..1..2..0..2..0..0....2..2..1..0..2..0....1..0..1..2..1..0....2..0..1..2..0..2
A199245
Number of nX7 0..2 arrays with values 0..2 introduced in row major order, the number of instances of each value within one of each other, and every element equal to zero or two horizontal or vertical neighbors.
Original entry on oeis.org
19, 288, 2080, 134821, 3190670, 27337776, 2013526831, 52332203186
Offset: 1
Some solutions for n=4
..0..1..0..1..0..0..2....0..1..0..2..0..2..1....0..1..0..2..0..1..2
..2..0..1..2..0..0..1....1..0..1..0..2..1..2....1..0..2..0..1..2..0
..0..2..0..1..1..2..2....0..2..0..2..1..2..1....0..1..0..1..2..0..2
..1..0..2..1..1..2..2....2..0..1..0..2..1..2....1..2..1..2..1..2..0
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