A221287
Equals two maps: number of n X n binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal and antidiagonal neighbors in a random 0..3 n X n array.
Original entry on oeis.org
1, 4, 92, 9107, 4983598, 10344276279
Offset: 1
Some solutions for n=3
..0..0..0....0..0..1....0..1..0....0..0..0....0..0..1....0..1..1....0..0..1
..1..1..0....1..0..1....0..1..0....1..0..1....0..1..0....0..1..1....1..0..1
..1..1..0....1..1..0....1..1..0....1..0..0....1..1..0....0..1..0....1..0..0
A221288
Equals two maps: number of nX5 binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal and antidiagonal neighbors in a random 0..3 nX5 array.
Original entry on oeis.org
7, 200, 5912, 172904, 4983598, 143511784, 4129628435, 118813480496, 3418203388701, 98338490101681, 2829094038032543, 81389941488977962, 2341498869979723606, 67362334665049967042, 1937939871911867309221
Offset: 1
Some solutions for n=3
..0..1..1..0..1....0..0..0..0..0....0..0..0..0..0....0..0..0..1..0
..1..0..0..1..1....0..0..0..0..0....0..0..0..0..1....1..1..1..1..1
..0..0..0..1..0....1..0..1..0..0....1..1..1..1..0....0..0..1..0..0
A221289
Equals two maps: number of nX6 binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal and antidiagonal neighbors in a random 0..3 nX6 array.
Original entry on oeis.org
12, 792, 48298, 2890017, 172905144, 10344276279, 618825190371, 37018574118868, 2214457259485909, 132469006243923162, 7924304243009714341, 474032340904538992523, 28356641623302251544461
Offset: 1
Some solutions for n=3
..0..0..0..1..0..0....0..0..0..0..1..1....0..0..0..1..0..0....0..0..1..0..0..1
..1..1..0..0..1..0....1..0..0..0..0..0....0..0..1..1..0..1....1..0..1..0..1..0
..0..0..1..1..0..0....1..1..1..0..1..0....1..0..1..0..1..0....1..0..1..1..0..0
A221291
Equals two maps: number of 3Xn binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal and antidiagonal neighbors in a random 0..3 3Xn array.
Original entry on oeis.org
1, 12, 92, 673, 5912, 48298, 396846, 3240527, 26241353, 211785583, 1703772887, 13679840407, 109689414233, 878752161168, 7035829547262, 56311795445487
Offset: 1
Some solutions for n=3
..0..1..1....0..0..0....0..0..0....0..1..0....0..0..1....0..1..0....0..0..0
..0..1..0....1..1..0....0..1..0....0..0..1....0..1..0....0..0..0....0..0..1
..0..0..0....0..1..0....0..1..0....0..1..0....0..0..0....0..1..0....1..1..0
A221292
Equals two maps: number of 4Xn binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal and antidiagonal neighbors in a random 0..3 4Xn array.
Original entry on oeis.org
1, 37, 556, 9107, 172904, 2890017, 49684593, 821323042, 13475380990
Offset: 1
Some solutions for n=3
..0..1..0....0..0..0....0..0..1....0..1..0....0..1..1....0..1..0....0..0..1
..0..0..0....0..1..0....0..1..0....0..1..0....1..1..0....1..0..0....1..0..0
..1..1..0....0..1..1....1..1..1....1..0..0....0..0..0....0..0..1....0..1..1
..0..0..0....1..1..0....0..0..0....0..1..0....1..1..0....0..0..0....1..0..0
A221293
Equals two maps: number of 5Xn binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal and antidiagonal neighbors in a random 0..3 5Xn array.
Original entry on oeis.org
1, 114, 3332, 123958, 4983598, 172905144, 6138441061
Offset: 1
Some solutions for n=3
..0..0..1....0..0..0....0..0..0....0..0..1....0..1..0....0..1..0....0..1..1
..0..0..0....0..1..0....0..0..1....1..0..0....1..0..1....0..0..0....1..0..1
..0..1..0....1..1..0....1..0..0....0..0..0....1..0..1....0..0..0....1..1..0
..0..1..1....1..0..0....0..1..1....1..1..0....1..0..1....1..0..1....0..1..1
..0..0..0....0..0..0....1..0..0....1..0..0....0..1..0....1..1..0....1..0..0
A221294
Equals two maps: number of 6Xn binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal and antidiagonal neighbors in a random 0..3 6Xn array.
Original entry on oeis.org
1, 351, 19996, 1686304, 143511784, 10344276279
Offset: 1
Some solutions for n=3
..0..1..0....0..0..0....0..0..1....0..0..1....0..0..1....0..1..1....0..1..0
..0..1..1....0..0..0....0..1..0....1..0..1....0..1..0....0..1..0....1..1..0
..1..0..1....1..0..0....0..0..0....0..0..0....1..1..0....0..1..1....0..0..1
..0..0..0....0..1..0....1..1..0....0..0..1....0..0..0....0..1..0....0..1..0
..0..1..1....0..0..0....0..1..1....1..0..1....1..1..0....1..1..0....1..1..0
..1..1..0....1..1..0....1..1..0....0..1..0....1..1..0....0..0..0....1..0..0
A221295
Equals two maps: number of 7Xn binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal and antidiagonal neighbors in a random 0..3 7Xn array.
Original entry on oeis.org
1, 1081, 119972, 22931365, 4129628435, 618825190371
Offset: 1
Some solutions for n=3
..0..1..0....0..0..1....0..0..0....0..0..0....0..0..0....0..1..0....0..0..0
..1..0..0....0..0..1....0..1..1....1..1..1....0..1..1....1..0..1....0..0..1
..0..0..1....1..0..0....0..1..1....0..1..1....1..0..0....1..0..0....1..0..1
..0..0..0....0..0..0....0..0..0....0..1..1....0..0..0....0..0..0....1..0..1
..0..0..1....1..1..0....0..0..1....0..0..1....1..1..1....0..1..1....1..0..1
..1..0..0....1..1..0....1..0..0....1..0..0....0..1..1....0..1..1....0..1..0
..0..1..0....0..0..0....0..1..0....1..0..0....0..1..0....0..1..0....0..0..0
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