A264249 Number of (5+1)X(n+1) arrays of permutations of 0..n*6+5 with each element having directed index change 0,0 1,1 0,-1 -1,1 or 0,-2.

13, 1105, 36193, 1696877, 86191713, 4157973485, 203949869341, 10068447548880, 496979668123877, 24566696996221317, 1214726568932214777, 60069769574449586661, 2971050453516367354937, 146958735341798221970133

Offset

1,1

Comments

Row 5 of A264244.

Links

R. H. Hardin, Table of n, a(n) for n = 1..27

Example

Some solutions for n=3
..1..4..2..3....2..1..5..3....2..4..5..3....0..1..2..3....0..1..5..3
..5..0..6..7....4..0..7.10....6..0..1..7....4..8..6..7....4..6..7..2
.10.12.13.11....8.11.13..6....8.12.10.11....9.12..5.11...10.11.13.14
.14..8..9.15...14.16..9.15...13.16..9.15...14.13.15.10...12..8..9.15
.18.17.21.19...17.12.18.19...18.20.19.14...18.20.21.19...18.17.21.19
.20.16.22.23...20.21.22.23...22.21.17.23...22.16.17.23...20.16.22.23

Crossrefs

Cf. A264244.

Sequence in context: A262632 A076481 A185834 * A195890 A195520 A128897

Adjacent sequences: A264246 A264247 A264248 * A264250 A264251 A264252

Keyword

nonn

Author

R. H. Hardin, Nov 09 2015

Status

approved