A264311 Number of (n+1)X(6+1) arrays of permutations of 0..n*7+6 with each element having directed index change 0,0 0,1 1,0 -1,-2 or 0,2.

392, 24153, 1605061, 101336088, 6395409906, 402225464956, 25275285536728, 1588080653877700, 99774161858198356, 6268369171435472332, 393812141936927897292, 24741323570503009235109, 1554377636718519724079043

Offset

1,1

Comments

Column 6 of A264313.

Links

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

Example

Some solutions for n=2
..9.10..0..3..2..4..6....9..0..2..1..3..4..6....9..0..1..2.13..3..4
..7..1.18..8.20..5.13...16.17..7.19.20..5.11....7..8.18.19.10..5..6
.14.15.16.17.11.12.19...14..8.15.10.18.12.13...14.15.16.17.11.12.20

Crossrefs

Cf. A264313.

Sequence in context: A203917 A180295 A166988 * A035751 A107547 A068276

Adjacent sequences: A264308 A264309 A264310 * A264312 A264313 A264314

Keyword

nonn

Author

R. H. Hardin, Nov 11 2015

Status

approved