A264271 Number of (n+1)X(7+1) arrays of permutations of 0..n*8+7 with each element having index change +-(.,.) 0,0 1,0 or 1,2.

1156, 160000, 53290000, 13954224384, 4035639032100, 1138084297605025, 324302970384650401, 92186952472695083584, 26232276993922103173281, 7462849422249980275347009, 2123325373891488033889110724

Offset: 1

Author

R. H. Hardin, Nov 10 2015

Keywords

• nonn

Comments

Column 7 of A264272.

Examples

			Some solutions for n=2
..0..1..2.11.14..5..6..7....0.11.10..3.12..5..6..7....0.11..2..3.14..5..6..7
.16.19.10.21.12..3..4.15...16..1..2.19.22.13..4.23....8..9.10..1..4.13.22.15
..8.17.18..9.20.13.22.23....8.17.18..9.20.21.14.15...16.17.18.19.20.21.12.23
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..109

Crossrefs

Cf. A264272.