A264270 Number of (n+1)X(6+1) arrays of permutations of 0..n*7+6 with each element having index change +-(.,.) 0,0 1,0 or 1,2.

442, 32000, 4861800, 600090240, 80568542340, 10563801093680, 1398071103483637, 184549492112860840, 24385615337150116761, 3221323854569532915840, 425580239886807520132066, 56223231572414176702873320

Offset

1,1

Comments

Column 6 of A264272.

Links

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

Example

Some solutions for n=2
..0..1..2..3..4.12..6....7..8.11.12..4..5.13....0..1..2..3..4.12..6
.16..8..9.19.11..5.20....0..1.18.19..2..3..6...14.15..9.10.20..5.13
.14.15..7.17.18.10.13...14.15.16.17..9.10.20....7..8.16.17.18.19.11

Crossrefs

Cf. A264272.

Sequence in context: A105922 A250086 A018237 * A098256 A225350 A171392

Adjacent sequences: A264267 A264268 A264269 * A264271 A264272 A264273

Keyword

nonn

Author

R. H. Hardin, Nov 10 2015

Status

approved