A264573 Number of (5+1)X(n+1) arrays of permutations of 0..n*6+5 with each element having directed index change 1,0 1,1 0,-1 or -1,1.

2, 16, 79, 888, 7808, 96429, 868613, 8968735, 90618616, 922397312, 9224826592, 93003224844, 939923676064, 9467349392625, 95318534607879, 960427449853930, 9679933809815834, 97510205703500780, 982266907115417418

Offset: 1

Author

R. H. Hardin, Nov 17 2015

Keywords

• nonn

Comments

Row 5 of A264569.

Examples

			Some solutions for n=4
..1..5..3..4..8....1..5..3..4..8....1..5..3..7..8....1..5..3..4..8
..6..0..2..9.13....0..7..2.12.13....6..0..2..9..4....0.10..2..9.13
.11.12.16..7.18...11.15..6.17..9...11.12.16.14.18...11.12..6..7.18
.10.20.21.22.14...16.10.18.22.14...10.17.21.22.13...16.20.21.22.14
.15.25.23.17.19...21.25.23.27.19...15.25.26.24.19...15.25.17.24.19
.26.27.28.29.24...26.20.28.29.24...20.27.28.29.23...26.27.28.29.23
		

Links

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

Crossrefs

Cf. A264569.