A264141 Number of (n+1)X(7+1) arrays of permutations of 0..n*8+7 with each element having index change +-(.,.) 0,0 1,-2 or 1,1.

832, 90000, 20768650, 3798503424, 758116015189, 147813083354689, 29086230347332416, 5708414855075340816, 1121408818216873313530, 220236879426948300870144, 43257308993366137748332485

Offset: 1

Author

R. H. Hardin, Nov 04 2015

Keywords

• nonn

Comments

Column 7 of A264142.

Examples

			Some solutions for n=2
..0..1.11..9..4..5..6..7....0.10..8..3..4..5.15..7....0..1..2..9.10..5.15..7
..8..3.10..2.18.13.20.21....2.18..1.11.12.13.20..6....8..3..4.11.12.13.23..6
.16.17.12.19.14.15.22.23...16.17..9.19.14.21.22.23...16.17.18.19.20.21.22.14
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..145

Crossrefs

Cf. A264142.