A264145 Number of (5+1)X(n+1) arrays of permutations of 0..n*6+5 with each element having index change +-(.,.) 0,0 1,-2 or 1,1.

32, 2197, 144000, 5953600, 302693857, 15238898080, 758116015189, 37756295112768, 1881340543397700, 93844626018289844, 4671287670607109136, 232749311970413840980, 11592531860936526641824, 577455315370687153595250

Offset: 1

Author

R. H. Hardin, Nov 04 2015

Keywords

• nonn

Comments

Row 5 of A264142.

Examples

			Some solutions for n=3
..0..1..7..3....0..1..7..3....0..6..7..3....0..1..4..3....0..1..4..5
..2.10..8..9....9.10..8..2....9..5..1..2....2..5..8..7....2..3..8..7
..6..4..5.11...13..4..5..6....8..4.12.13....6..9.10.13....6..9.12.11
.12.13.16.17...12.11.14.15...10.11.14.17...17.11.14.15...10.13.16.17
.14.15.20.19...16.22.20.21...16.15.18.19...21.12.23.19...14.15.18.19
.18.21.22.23...18.19.17.23...20.21.22.23...20.16.22.18...20.21.22.23
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..18

Crossrefs

Cf. A264142.