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A264113
Number of (3+1)X(n+1) arrays of permutations of 0..n*4+3 with each element having index change +-(.,.) 0,0 0,2 or 1,1.
1
8, 169, 4410, 54756, 911754, 15437041, 267205956, 4400066889, 74321336906, 1252792195524, 21164658219650, 356308095015625, 6011457469294712, 101387055726782281, 1710321256759319217, 28844356361775854656
OFFSET
1,1
COMMENTS
Row 3 of A264110.
LINKS
EXAMPLE
Some solutions for n=4
..0..7..4..3..2....2..1..0..3..4....2..3..0..1..4....0..1..2..9..4
..5..6..1..8..9....7..6..5.14..9....5.12..9.14..7....5..8..7..6..3
.10.13.12.11.14...10.13.12.11..8...16.13..6.11..8...12.17.10.11.14
.15.18.17.16.19...15.16.19.18.17...17.10.15.18.19...15.18.19.16.13
CROSSREFS
Cf. A264110.
Sequence in context: A334780 A084941 A139564 * A181198 A302802 A316816
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 03 2015
STATUS
approved