A206500
Number of nX3 0..7 arrays with no element equal to another within a city block distance of two, and new values 0..7 introduced in row major order.
Original entry on oeis.org
1, 4, 65, 3130, 178998, 10502458, 618242826, 36410671102, 2144479610070, 126304554589462, 7439032094765766, 438141046109721622, 25805450786659366998, 1519878816318690262678, 89517196729004371783830
Offset: 1
Some solutions for n=4
..0..1..2....0..1..2....0..1..2....0..1..2....0..1..2....0..1..2....0..1..2
..2..3..0....2..3..0....2..3..0....3..4..0....2..3..4....2..3..4....2..3..4
..1..4..5....4..5..1....1..4..5....2..5..1....1..0..5....1..5..6....4..5..1
..5..0..1....1..0..4....5..2..1....0..3..6....3..4..2....3..4..7....6..2..3
A206501
Number of nX4 0..7 arrays with no element equal to another within a city block distance of two, and new values 0..7 introduced in row major order.
Original entry on oeis.org
2, 34, 3130, 502599, 83045488, 13752277898, 2277207309720, 377099217207514, 62445595052884887, 10340702774554689140, 1712370276674504142791, 283560339737534813492944
Offset: 1
Some solutions for n=4
..0..1..2..0....0..1..2..0....0..1..2..0....0..1..2..0....0..1..2..0
..2..3..4..5....2..3..4..5....2..3..4..5....2..3..4..1....2..3..4..1
..4..5..6..3....1..0..6..1....4..0..6..1....4..5..6..7....1..5..6..7
..6..7..1..4....5..4..2..3....1..2..3..7....7..0..3..2....3..4..1..0
A206502
Number of nX5 0..7 arrays with no element equal to another within a city block distance of two, and new values 0..7 introduced in row major order.
Original entry on oeis.org
5, 481, 178998, 83045488, 38638317841
Offset: 1
Some solutions for n=4
..0..1..2..3..0....0..1..2..0..1....0..1..2..0..1....0..1..2..3..0
..2..3..0..1..2....2..3..4..5..6....2..3..4..5..2....2..3..0..1..2
..4..5..6..4..7....1..5..7..1..2....4..0..1..6..3....4..5..6..7..3
..0..7..1..5..3....0..2..3..0..4....1..2..3..7..4....1..7..2..0..4
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