A264673 Number of (n+1)X(5+1) arrays of permutations of 0..n*6+5 with each element having directed index change -1,-1 1,0 -1,-2 -2,-2 or 0,1.

1, 75, 748, 9205, 123222, 1449467, 17406354, 209749118, 2503676777, 29934965340, 358006964177, 4278035445236, 51129215370129, 611086118399334, 7303034816210073, 87279407453579353, 1043087592653373745

Offset

1,2

Comments

Column 5 of A264676.

Links

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

Example

Some solutions for n=4
..7..8..1..2..3..4....7..0..1..2..3..4...14..0..1.10..3..4....7..0.16.10..3..4
..0..6.16.23.17..5...14..6.16..8..9..5...20.15..2.16.17..5...13..1..2.23..9..5
.19.20.13..9.10.11...26.12.13.23.10.11....6..7..8..9.23.11....6.27..8.14.15.11
.12.26.14.15.29.22...25.27.19.15.29.17...12.13.19.29.21.22...12.26.19.20.29.17
.18.24.25.21.27.28...18.24.20.21.22.28...18.24.25.26.27.28...18.24.25.21.22.28

Crossrefs

Cf. A264676.

Sequence in context: A133382 A199901 A251249 * A320618 A218094 A285920

Adjacent sequences: A264670 A264671 A264672 * A264674 A264675 A264676

Keyword

nonn

Author

R. H. Hardin, Nov 20 2015

Status

approved