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A264339
Number of (n+1)X(6+1) arrays of permutations of 0..n*7+6 with each element having index change +-(.,.) 0,0 0,1 or 1,2.
1
2521, 223356, 20386617, 1855980772, 168990466353, 15386771913704, 1400983500645217, 127561175981852920, 11614593343457551705, 1057522224021474274212, 96288627697354864622745
OFFSET
1,1
COMMENTS
Column 6 of A264341.
LINKS
FORMULA
Empirical: a(n) = 87*a(n-1) +374*a(n-2) -470*a(n-3) +207*a(n-4) +3*a(n-5)
EXAMPLE
Some solutions for n=1
..9..1..2..3..5..4..6....9..0..3..2.13..6..5....0.10..2.12..3..5..6
..7..8..0.10.11.12.13....8..7.10..1.11.12..4....8..7..9..1.11.13..4
CROSSREFS
Cf. A264341.
Sequence in context: A217862 A144971 A217588 * A045942 A375239 A308735
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 11 2015
STATUS
approved