A264188 Number of (n+1)X(6+1) arrays of permutations of 0..n*7+6 with each element having index change +-(.,.) 0,0 1,-1 or 2,2.

64, 6656, 705600, 57950000, 5479256484, 499844745900, 45243595984896, 4139503087656960, 376732468150329600, 34302611796922400568, 3124653926801074632441, 284425726642352554363569

Offset

1,1

Comments

Column 6 of A264190.

Links

R. H. Hardin, Table of n, a(n) for n = 1..126

Example

Some solutions for n=2
.16..1..8..9..4..5.12....0..7..8..3.20..5..6....0..1..8..3.20..5..6
..7..2..3.10.11..6.19....1..2.15.16.11.12.19....7..2.15.16.17.18.13
.14.15..0.17.18.13.20...14..9.10.17.18.13..4...14..9.10.11.12.19..4

Crossrefs

Cf. A264190.

Sequence in context: A266631 A085525 A349506 * A333583 A183243 A264075

Adjacent sequences: A264185 A264186 A264187 * A264189 A264190 A264191

Keyword

nonn

Author

R. H. Hardin, Nov 06 2015

Status

approved