A264057 Number of (n+1)X(6+1) arrays of permutations of 0..n*7+6 with each element having index change +-(.,.) 0,0 1,2 or 2,-2.

32, 3375, 207360, 11151360, 608212800, 34260048000, 1869178500000, 102920833800000, 5656555271250000, 310843030421250000, 17102133249581250000, 940367566368000000000, 51715504235250000000000

Offset

1,1

Comments

Column 6 of A264059.

Links

R. H. Hardin, Table of n, a(n) for n = 1..107

Example

Some solutions for n=2
..9.10..2.15..4..5..6....0..1.14.15.16..5..6....0.10.14..3.16..5.18
.16.17..0..1.11.12.13....7.17..9.19.20.12.13....7.17..9..1.11.12.13
.14..3..7..8.18.19.20....2..3..4..8.18.10.11....2.15..4..8..6.19.20

Crossrefs

Cf. A264059.

Sequence in context: A215045 A219343 A123802 * A221659 A222053 A264126

Adjacent sequences: A264054 A264055 A264056 * A264058 A264059 A264060

Keyword

nonn

Author

R. H. Hardin, Nov 02 2015

Status

approved