A264096 Number of (7+1)X(n+1) arrays of permutations of 0..n*8+7 with each element having index change +-(.,.) 0,0 0,1 or 2,-2.

256, 54289, 24010000, 4994107561, 1545608400625, 415614152704689, 119272286997956401, 33694391736828328401, 9593262514897519334464, 2727340296376737551265625, 776007812558267854021437696

Offset

1,1

Comments

Row 7 of A264090.

Links

R. H. Hardin, Table of n, a(n) for n = 1..108

Example

Some solutions for n=2
..1..0..2....0..2..1....0..2..1....1..0..2....0..2..1....1..0..2....1..0..6
..4..3..9....3..4..5....4..3..9....3..4..5....3..4..5....3..4..5....4..3..5
..6..8..7....6..7.12....7..6.12....6..7.12....7..6..8....7..6..8....2..7.12
..5.10.11...10..9.11....5.10.11...10..9.11....9.10.11....9.10.11...10..9.11
.12.14.13....8.14.13....8.13.14....8.13.14...12.14.13...12.13.14....8.14.13
.15.17.16...15.16.17...15.16.17...16.15.17...16.15.17...16.15.21...16.15.17
.19.18.20...19.18.20...19.18.20...19.18.20...18.19.20...19.18.20...19.18.20
.21.23.22...21.22.23...21.22.23...21.22.23...21.23.22...17.22.23...21.22.23

Crossrefs

Cf. A264090.

Sequence in context: A017440 A237068 A204302 * A260865 A205173 A205416

Adjacent sequences: A264093 A264094 A264095 * A264097 A264098 A264099

Keyword

nonn

Author

R. H. Hardin, Nov 03 2015

Status

approved