A264304 Number of (5+1)X(n+1) arrays of permutations of 0..n*6+5 with each element having directed index change 0,1 0,-2 1,0 or -1,0.

1, 169, 1413, 14881, 297721, 3890569, 53407877, 839565293, 11905375241, 171518372029, 2547439603789, 36890867403181, 536673217031089, 7861571614717869, 114455228371667789, 1668501990481321725

Offset

1,2

Comments

Row 5 of A264299.

Links

R. H. Hardin, Table of n, a(n) for n = 1..44

Example

Some solutions for n=4
..5..6..4..2..3....5..6..4..2..3....5..3..1..2..9....2..0..1..8..9
..0..1..9.13..8....0..1..9..7..8....0..8..6..7..4....7.11.12..3..4
.15.16..7.18.19...15.16.14.12.13...15.10.14.12.19....5..6.14.18.13
.10.11.12.17.14...10.11.19.17.18...17.11.16.13.18...10.15.19.23.24
.25.23.21.22.29...22.23.21.28.29...22.20.21.28.29...25.16.17.22.29
.20.28.26.27.24...20.25.26.27.24...27.25.26.23.24...20.21.26.27.28

Crossrefs

Cf. A264299.

Sequence in context: A289338 A256979 A293477 * A241538 A231974 A183716

Adjacent sequences: A264301 A264302 A264303 * A264305 A264306 A264307

Keyword

nonn

Author

R. H. Hardin, Nov 11 2015

Status

approved