A264511 Number of (5+1)X(n+1) arrays of permutations of 0..n*6+5 with each element having directed index change -1,1 0,-1 0,1 or 1,0.

6, 16, 524, 7177, 110185, 1697577, 24950224, 375544843, 5532366085, 81906706301, 1204997120210, 17722156538321, 260166376944854, 3816313324910013, 55942567551059961, 819651223646346508, 12005403900121517115

Offset

1,1

Comments

Row 5 of A264506.

Links

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

Example

Some solutions for n=4
..1..2..6..7..3....1..5..3..2..8....1..5..6..4..3....1..2..3..4..8
..0..5..8..9..4....0..7..6.12..4....0..7..2..9.13....0..7..6..9.13
.11.12.16.14.13...11.10.13.17..9...11.15.16..8.18....5.10.11.14.18
.10.20.21.19.18...16.15.18.22.14...10.17.12.22.14...16.17.12.22.23
.15.25.17.24.23...21.25.23.24.19...21.20.23.27.19...15.20.21.27.19
.26.27.22.29.28...20.27.26.29.28...26.25.28.29.24...26.25.28.29.24

Crossrefs

Cf. A264506.

Sequence in context: A290382 A118949 A303213 * A053334 A001143 A177365

Adjacent sequences: A264508 A264509 A264510 * A264512 A264513 A264514

Keyword

nonn

Author

R. H. Hardin, Nov 15 2015

Status

approved