A221663
Sum of neighbor maps: number of nX2 binary arrays indicating the locations of corresponding elements equal to the sum mod 3 of their horizontal, diagonal and antidiagonal neighbors in a random 0..2 nX2 array.
Original entry on oeis.org
2, 12, 48, 256, 856, 4096, 15872, 65344, 259584, 1048576, 4177632, 16777216, 67051520, 268430336, 1073479680, 4294967296, 17178580480, 68719476736, 274872664064, 1099511513088, 4398023442432, 17592186044416, 70368641459200
Offset: 1
Some solutions for n=3
..0..0....0..0....1..0....0..0....0..1....0..0....0..0....1..1....1..0....1..1
..1..1....0..1....1..1....0..1....1..0....1..1....1..0....1..0....0..0....0..0
..1..0....0..1....0..0....0..0....0..0....0..1....1..1....1..1....0..1....1..1
A221664
Sum of neighbor maps: number of n X 3 binary arrays indicating the locations of corresponding elements equal to the sum mod 3 of their horizontal, diagonal and antidiagonal neighbors in a random 0..2 n X 3 array.
Original entry on oeis.org
8, 64, 512, 3772, 32768, 262144, 2097152, 16777216, 134140928, 1073741824, 8589934592, 68719476736, 549755813888, 4398033385216, 35184372088832, 281474976710656, 2251799813685248, 18014398509481984, 144115185909972992
Offset: 1
Some solutions for n=3
..1..1..1....1..0..0....0..0..1....0..1..1....0..0..1....1..0..0....1..1..0
..0..1..0....0..0..0....0..0..0....0..1..0....0..0..1....1..1..1....1..1..0
..0..0..1....1..1..1....0..1..1....1..0..1....1..0..1....1..1..1....0..0..0
A221667
Sum of neighbor maps: number of 2 X n binary arrays indicating the locations of corresponding elements equal to the sum mod 3 of their horizontal, diagonal and antidiagonal neighbors in a random 0..2 2 X n array.
Original entry on oeis.org
4, 12, 64, 256, 992, 4096, 16384, 65344, 262144, 1048576, 4193280, 16777216, 67108864, 268430336, 1073741824, 4294967296, 17179844608, 68719476736, 274877906944, 1099511513088, 4398046511104, 17592186044416, 70368743653376
Offset: 1
Some solutions for n=3:
..0..0..0....0..1..0....0..1..1....0..1..1....1..1..0....0..0..1....1..0..1
..1..1..1....0..1..0....0..1..1....0..1..0....1..1..1....0..1..1....0..1..0
A221668
Sum of neighbor maps: number of 3Xn binary arrays indicating the locations of corresponding elements equal to the sum mod 3 of their horizontal, diagonal and antidiagonal neighbors in a random 0..2 3Xn array.
Original entry on oeis.org
8, 48, 512, 3772, 31744, 262144, 2097152, 16728064, 134140928, 1073741824, 8587837440, 68719476736, 549755813888, 4397939335680, 35184372088832, 281474976710656, 2251796592459776, 18014398509481984, 144115185909972992
Offset: 1
Some solutions for n=3
..0..1..0....1..1..0....1..1..1....1..0..0....1..0..1....1..1..1....1..0..0
..0..1..0....1..1..1....1..0..1....0..1..0....0..1..1....1..0..1....0..1..1
..0..1..1....1..1..0....1..1..1....1..0..0....0..0..1....1..0..1....0..0..0
A221665
Sum of neighbor maps: number of nX4 binary arrays indicating the locations of corresponding elements equal to the sum mod 3 of their horizontal, diagonal and antidiagonal neighbors in a random 0..2 nX4 array.
Original entry on oeis.org
16, 256, 3772, 63200, 1048576, 16777216, 268281856, 4294967296, 68702508544, 1099511627776, 17592133540864, 281474976710656, 4503599627370496
Offset: 1
Some solutions for n=3
..0..1..0..0....0..1..1..0....0..1..0..0....1..1..0..0....0..0..0..1
..1..0..1..1....1..1..0..1....1..1..0..0....0..0..0..1....0..0..0..1
..0..1..0..1....1..1..0..1....0..1..1..0....1..1..1..1....1..1..0..0
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