A264297 Number of (n+1)X(5+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.

16, 177, 1952, 25080, 297721, 3654505, 44552352, 542471200, 6626768169, 80723431520, 985288480057, 12010733518337, 146525471716224, 1786714302348881, 21792870547680745, 265769193202091160

Offset

1,1

Comments

Column 5 of A264299.

Links

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

Example

Some solutions for n=4
..6..0..1..9..3.11....6..7..1..5..3..4....2..0..1..5..3..4....2..0..1..5..3..4
.12.13..2.15..4..5....0.13..2.11..9.10....8..9..7.15.16.10....8.13..7.15..9.17
.14..7..8.17.10.23...14.19..8.17.15.23....6.12.13.17.22.11....6.12.20.14.10.11
.24.21.22.20.16.29...12.21.22.20.16.29...24.21.14.20.28.29...24.21.22.23.16.29
.18.19.25.26.27.28...18.24.25.26.27.28...18.19.25.26.27.23...18.19.25.26.27.28

Crossrefs

Cf. A264299.

Sequence in context: A017521 A323856 A226507 * A002399 A255255 A181239

Adjacent sequences: A264294 A264295 A264296 * A264298 A264299 A264300

Keyword

nonn

Author

R. H. Hardin, Nov 11 2015

Status

approved