A264216 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 -1,0 or 0,-2.

5880, 1056337, 239444309, 51345531360, 11197485353301, 2432712841059645, 529278642595433656, 115122498234099042653, 25043530534573070464345, 5447817976465962974664640, 1185101303163731573388461513

Offset

1,1

Comments

Column 7 of A264217.

Links

R. H. Hardin, Table of n, a(n) for n = 1..55

Example

Some solutions for n=1
..8..1..2.11..3..7.14..6....0..1..2.11..3..5.14.15....0..3..1..2.12..4.14.15
..0..9.12.10..4..5.13.15...10..8..9.13..4.12..6..7....8..9.10.13.11..5..6..7

Crossrefs

Cf. A264217.

Sequence in context: A053340 A291597 A233945 * A061735 A251469 A025513

Adjacent sequences: A264213 A264214 A264215 * A264217 A264218 A264219

Keyword

nonn

Author

R. H. Hardin, Nov 08 2015

Status

approved