A264062 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 2,-2.

1, 125, 15625, 450000, 12960000, 608212800, 28543426704, 1182858335568, 49018425731856, 2119255344115812, 91623571065536449, 3925600962291584977, 168191904505904029921, 7232349156077380791312

Offset

1,2

Comments

Row 5 of A264059.

Links

Table of n, a(n) for n=1..14.

Example

Some solutions for n=3
..6..1..2..3....6..1..2..9....6..7..2..3....6..7..2..3....6..1..2..3
..4..5..0..7...10..5..0..7....4.11..0..1...10..5..0..1...10..5..0..7
.14..9.10.11...14..3..4.11...14..9.10..5....8..9..4.17....8.15..4.17
.12.19..8.21...18.19..8.15...18.19..8.21...12.19.14.15...12.19.20..9
.16.17.18.13...22.17.12.13...16.23.12.13...16.11.18.13...16.11.18.13
.20.15.22.23...20.21.16.23...20.15.22.17...20.21.22.23...14.21.22.23

Crossrefs

Cf. A264059.

Sequence in context: A275296 A259925 A121005 * A067972 A094197 A067491

Adjacent sequences: A264059 A264060 A264061 * A264063 A264064 A264065

Keyword

nonn

Author

R. H. Hardin, Nov 02 2015

Status

approved