A264268 Number of (n+1)X(4+1) arrays of permutations of 0..n*5+4 with each element having index change +-(.,.) 0,0 1,0 or 1,2.

65, 1280, 40626, 1143000, 33729146, 981994496, 28735927165, 839596650695, 24544787527541, 717416324352000, 20970567317759053, 612971699603292777, 17917345209329491525, 523728155369756381184, 15308707141186512270826

Offset: 1

Author

R. H. Hardin, Nov 10 2015

Keywords

• nonn

Comments

Column 4 of A264272.

Examples

			Some solutions for n=3
..5..6..9..3..4....0..1..9..3..4....5..1..2..3..4....7..8..2..3..4
..0..1.12..8..2...12.11.14..8..2....0.11.14..8..9....0..1.12.13..9
.10.18..7.13.14...15..6..5.13..7...15.18..7..6.19...17..6..5.18.19
.15.16.17.11.19...10.16.17.18.19...10.16.17.13.12...15.16.10.11.14
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..210
• R. H. Hardin, Empirical recurrence of order 52

Crossrefs

Cf. A264272.

Formula

Empirical recurrence of order 52 (see link above)