A264420 Number of (n+1)X(5+1) arrays of permutations of 0..n*6+5 with each element having directed index change 0,1 2,2 1,0 -1,2 -2,-1 or -1,-1.

4, 119, 2681, 101862, 4023076, 147984724, 5498758183, 201733617932, 7423226389478, 272586759114218, 10017280306174267, 368272005900678107, 13531455789624669204, 497163630139105690695, 18268217310170065817424

Offset

1,1

Comments

Column 5 of A264422.

Links

R. H. Hardin, Table of n, a(n) for n = 1..46

Example

Some solutions for n=4
..7..8.15.16.17..4....7..8..6.10.17..4....7..0..1.10.11..4....7..0.15.10..3..4
..0.14..2..3..9..5....0..1..2..3.23..5...19.14..2.16.23..5...19.20..2.16.17..5
.19.20.21..1.10.11...19.20.21..9.29.11....6.26..8..9.15..3....6.26.27..1.29.11
.12.13..6.28.29.22...25.26.14.28.16.27...12.13.27.25.29.17...12.13.14.28..8..9
.18.24.25.26.27.23...18.24.12.13.22.15...18.24.20.21.22.28...18.24.25.21.22.23

Crossrefs

Cf. A264422.

Sequence in context: A365450 A096464 A285053 * A283035 A284764 A271421

Adjacent sequences: A264417 A264418 A264419 * A264421 A264422 A264423

Keyword

nonn

Author

R. H. Hardin, Nov 12 2015

Status

approved