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.

2521, 223356, 20386617, 1855980772, 168990466353, 15386771913704, 1400983500645217, 127561175981852920, 11614593343457551705, 1057522224021474274212, 96288627697354864622745

Offset

1,1

Comments

Column 6 of A264341.

Links

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

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

Adjacent sequences: A264336 A264337 A264338 * A264340 A264341 A264342

Keyword

nonn

Author

R. H. Hardin, Nov 11 2015

Status

approved