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A264126
Number of (n+1)X(6+1) arrays of permutations of 0..n*7+6 with each element having index change +-(.,.) 0,0 1,-2 or 2,-1.
1
32, 3549, 533610, 39592980, 3436012800, 317072810421, 29534515247673, 2680755598121436, 242847274755986037, 22110137158388985792, 2014472567773942107336, 183470363771235170364873
OFFSET
1,1
COMMENTS
Column 6 of A264128.
FORMULA
Empirical recurrence of order 95 (see link above)
EXAMPLE
Some solutions for n=2
..0..1..2..3.17.10..6....0.14.15..8..4..5..6....0..1.15..8.17.10..6
..7..8.14..5.11.12.18....7..3..9.10.11.17.18....7..3..9..5.11.12.13
..9.15.16..4.13.19.20....1..2.16.12.13.19.20...14..2.16..4.18.19.20
CROSSREFS
Cf. A264128.
Sequence in context: A264057 A221659 A222053 * A304401 A328275 A291829
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 03 2015
STATUS
approved