A264007 Number of (4+1)X(n+1) arrays of permutations of 0..n*5+4 with each element having index change (+-,+-) 0,0 1,2 or 1,0.

64, 7304, 833569, 50616720, 3073593600, 209279846160, 14249786962321, 946586983062988, 62880021917067664, 4192351040682143276, 279513376625239523809, 18619005467240843252224

Offset

1,1

Comments

Row 4 of A264003.

Links

Table of n, a(n) for n=1..12.

Example

Some solutions for n=2
..0..1..2....5..4..2....3..1..5....5..4..2....5..1..3....5..1..2....0..1..3
..6..4..8....0..1..8....2..7..0....6..1..0....0..7..2....3..4..0....6..7..2
..5..7..3....3.10.11....6..4..8....3.10..9....6..4.11...11..7..9....5..4..8
.12.10.11....6..7.12...14.13.12....8..7.12...12.10..8....8.10..6....9.13.12
..9.13.14....9.13.14....9.10.11...11.13.14....9.13.14...12.13.14...11.10.14

Crossrefs

Cf. A264003.

Sequence in context: A300258 A180377 A013995 * A319832 A063410 A075417

Adjacent sequences: A264004 A264005 A264006 * A264008 A264009 A264010

Keyword

nonn

Author

R. H. Hardin, Oct 31 2015

Status

approved