A264127 Number of (n+1)X(7+1) arrays of permutations of 0..n*8+7 with each element having index change +-(.,.) 0,0 1,-2 or 2,-1.

64, 14994, 5336100, 791859600, 149787576576, 29534515247673, 5905008685374120, 1148453710559071056, 224609350928681097540, 44122398097009194287973, 8673148290802546116091008, 1703443039446493390387758957

Offset

1,1

Comments

Column 7 of A264128.

Links

R. H. Hardin, Table of n, a(n) for n = 1..29

Example

Some solutions for n=2
..0.16..8..3..4.11..6.13....0..1..2..3.10.11.12.22....0.16..8..3.10.11..6..7
..2..9.10..5.18..7.14.15....8..9..4..5..6.19.14.21....2..9..4..5.18.19.20.15
..1.17.12.19.20.21.22.23...16.17.18.13.20.15..7.23....1.17.12.13.14.21.22.23

Crossrefs

Cf. A264128.

Sequence in context: A316485 A292025 A185562 * A135788 A016794 A264058

Adjacent sequences: A264124 A264125 A264126 * A264128 A264129 A264130

Keyword

nonn

Author

R. H. Hardin, Nov 03 2015

Status

approved