A264384
Number of (6+1)X(n+1) arrays of permutations of 0..n*7+6 with each element having directed index change 2,-2 -1,0 -1,2 1,0 or 0,-1.
Original entry on oeis.org
0, 347, 22484, 828400, 48714516, 2546661201, 135926940964, 7028273171990, 373730198247984, 19642240165929614, 1037225681776050162, 54639267702225385178, 2881673580028315975296, 151886941377998952959800
Offset: 1
Some solutions for n=3
..1..5..4..7....4..2..6..5....4..2..3..7....1..2..4..7....1..2..4..5
..0..6.10.11....0..1..8..3....0..1..8.11....0..6..8..3....0..6..8..9
..2..3.12.15....9.10.11.13...12..5.14.13....9..5.12.13...12..3.11..7
..8..9.18.19...16..7.15.17....6..9.10.19...16.17.10.19...13.14.15.19
.20.13.14.21...12.18.19.21...17.18.22.21...20.11.14.15...10.18.22.21
.16.17.24.27...14.25.24.27...16.15.24.25...24.22.26.25...16.17.24.25
.25.26.22.23...20.26.22.23...20.26.27.23...18.21.27.23...20.26.27.23
A264385
Number of (7+1)X(n+1) arrays of permutations of 0..n*8+7 with each element having directed index change 2,-2 -1,0 -1,2 1,0 or 0,-1.
Original entry on oeis.org
1, 1343, 156293, 11888603, 1363452981, 149731056598, 16353452350876, 1735328063172744, 188810032043800381, 20288902506786356394, 2189915587683013427440, 235922552838031495595870
Offset: 1
Some solutions for n=3
..4..5..3..7....1..5..6..7....4..2..6..7....1..2..6..7....1..2..4..5
..0..1..2..9....0..9..2..3....0..1..8..3....0..9.10..3....0..9..8..3
.12.10..6.15....4.10.14.13....9..5.12.13....4..5.12.13...12.10..6..7
..8.14.16.11....8.17.16.11...16.14.10.17....8.17.15.11...13.14.18.11
.20.13.19.23...12.21.20.15...20.11.22.23...20.18.14.21...17.21.20.15
.21.17.18.25...24.22.23.25...21.15.18.19...16.25.23.19...16.22.26.25
.28.29.22.31...18.19.28.31...28.29.30.31...28.26.22.29...28.19.30.29
.24.30.26.27...29.30.26.27...24.25.26.27...24.30.31.27...24.23.31.27
A264372
Number of (n+1)X(n+1) arrays of permutations of 0..(n+1)^2-1 with each element having directed index change 2,-2 -1,0 -1,2 1,0 or 0,-1.
Original entry on oeis.org
1, 1, 80, 3778, 1742881, 2546661201, 16353452350876, 411980921235969243
Offset: 1
Some solutions for n=4
..5..2..3..4..7....1..2..5..6..9....1..2..5..8..9....1..6..5..8..9
..0..1.10.11.12....0..7.10..3..4....0..7.10..3.12....0..7.10..3..4
.15..6.13.18..9...15.12.13..8.17...11..6..4.14.17....2.16.15.18.17
.16..8.20.23.14...20.11.18.23.22...16.21.20.13.24...20.11.12.13.14
.21.22.17.24.19...21.16.14.24.19...15.22.23.18.19...21.22.23.24.19
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