A264318 Number of (5+1)X(n+1) arrays of permutations of 0..n*6+5 with each element having directed index change 0,0 0,1 1,0 -1,-2 or 0,2.

1, 832, 58589, 2495425, 119041793, 6395409906, 322126444477, 16255843284197, 813773187260713, 40713454523332750, 2028440014794977444, 100911267476668960036

Offset

1,2

Comments

Row 5 of A264313.

Links

Table of n, a(n) for n=1..12.

Example

Some solutions for n=3
..6..0..2..3....0..1..2..3....6..1..2..3....0..7..2..1....6..7..0..1
.10..1..4..7...10.11..4..5....0.11..5..7...10..5..4..3...10..4..2..3
..8..5..9.11....8..9..6..7....4.15..8..9....8.15..6..9....8..5..9.11
.18.19.14.13...18.19.12.13...18.19.10.14...18.13.12.11...18.13.12.15
.12.16.17.15...16.23.14.15...12.13.16.17...16.17.14.19...16.23.14.19
.20.21.22.23...20.17.22.21...20.21.22.23...20.21.22.23...20.17.21.22

Crossrefs

Cf. A264313.

Sequence in context: A045070 A186956 A252561 * A264141 A327604 A264064

Adjacent sequences: A264315 A264316 A264317 * A264319 A264320 A264321

Keyword

nonn

Author

R. H. Hardin, Nov 11 2015

Status

approved