A264095 Number of (6+1)X(n+1) arrays of permutations of 0..n*7+6 with each element having index change +-(.,.) 0,0 0,1 or 2,-2.

128, 12815, 2401000, 252076323, 35960283125, 4553473226652, 607571415109250, 79816211548612896, 10556323931018748344, 1393693934819346106625, 184143877192923267915936, 24325654371564673667158985

Offset

1,1

Comments

Row 6 of A264090.

Links

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

Example

Some solutions for n=2
..0..2..1....1..0..6....0..1..6....0..1..6....0..1..2....0..1..2....0..1..6
..4..3..9....3..4..5....4..3..5....3..4..5....3..5..4....4..3..5....3..4..5
..6..7.12....2..8..7....2..7.12....2..8..7....6..7.12....7..6..8....2..8..7
..5.10.15....9.10.15...10..9.11...10..9.15...10..9.15....9.10.15....9.10.11
..8.13.14...12.14.13....8.14.13...12.14.13....8.13.14...13.12.14...13.12.14
.11.16.17...11.17.16...15.17.16...11.17.16...11.16.17...11.17.16...16.15.17
.19.18.20...19.18.20...18.20.19...18.19.20...18.19.20...18.20.19...18.19.20

Crossrefs

Cf. A264090.

Sequence in context: A297101 A181250 A001661 * A239190 A283856 A283414

Adjacent sequences: A264092 A264093 A264094 * A264096 A264097 A264098

Keyword

nonn

Author

R. H. Hardin, Nov 03 2015

Status

approved