A264312 Number of (n+1)X(7+1) arrays of permutations of 0..n*8+7 with each element having directed index change 0,0 0,1 1,0 -1,-2 or 0,2.

1117, 137703, 18898817, 2478206839, 322126444477, 41578820903929, 5358897006142696, 690279721519311104, 88890001539922854149, 11445732145478719893045, 1473738883780247973828325

Offset

1,1

Comments

Column 7 of A264313.

Links

R. H. Hardin, Table of n, a(n) for n = 1..184

Example

Some solutions for n=2
..0..1..2.13..4.15..5..6...10.11.12..1..3..5..4..6....0..1.12.13..4..3..6..7
.18..9..8..3.11.23.14..7....0.19..2.21.22.23.13..7...18..9..2.10.22..5.14.15
.16.17.10.19.12.20.22.21....8..9.16.17.18.20.14.15....8.16.17.11.19.21.20.23

Crossrefs

Cf. A264313.

Sequence in context: A243527 A251360 A201034 * A145334 A134211 A171004

Adjacent sequences: A264309 A264310 A264311 * A264313 A264314 A264315

Keyword

nonn

Author

R. H. Hardin, Nov 11 2015

Status

approved