A264199 Number of (5+1)X(n+1) arrays of permutations of 0..n*6+5 with each element having index change +-(.,.) 0,0 0,2 or 2,1.

16, 1600, 194481, 7535025, 442050625, 28044191296, 1785793904896, 105630130633104, 6491295438667776, 399228109079760016, 24524466922827571456, 1500134086448692638784

Offset

1,1

Comments

Row 5 of A264195.

Links

Table of n, a(n) for n=1..12.

Example

Some solutions for n=3
..0..3.11..1....2..1.11..3....2..1..0..3....0..3..2..1....2..1..0..3
..4.14.15..7....6..7..4..5....6..5..4..7....4..7.15..5....6..5..4..7
..8..9.10..2...10..0.19..9...17.18..8.11....8..9.10.11...17.11.19..9
.12.22..5..6...12.15.23.13...12.13.14.15...14.13.12..6...21.15.14.13
.18.17.16.19...16..8.18.17...16.19..9.10...16.17.18.19...16..8.18.10
.20.23.13.21...20.21.22.14...22.21.20.23...20.21.22.23...22.12.20.23

Crossrefs

Cf. A264195.

Sequence in context: A145406 A307924 A263387 * A160306 A167000 A075413

Adjacent sequences: A264196 A264197 A264198 * A264200 A264201 A264202

Keyword

nonn

Author

R. H. Hardin, Nov 07 2015

Status

approved