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A264058 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,-2. 1
64, 15625, 2073600, 239878144, 28543426704, 3622687928896, 431336822822500, 52309619901665296, 6320319513423439225, 763444065670843677649, 92439059495958921766969, 11179187008813825703018496 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A264059.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..15

EXAMPLE

Some solutions for n=2

.10.11.16.17..4..5..6..7...10..1..2.13..4..5.20..7...10.11..2.17.18.15.20.21

.18.19..0..1.22.13.14.15...18.19..0.21.22..3.14.15....8..9..0..1.22.13.14..5

..2..3..8..9.20.21.12.23...16.17..8..9..6.11.12.23...16..3..4.19..6..7.12.23

CROSSREFS

Cf. A264059.

Sequence in context: A264127 A135788 A016794 * A123051 A064068 A220853

Adjacent sequences:  A264055 A264056 A264057 * A264059 A264060 A264061

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 02 2015

STATUS

approved

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Last modified September 30 22:26 EDT 2020. Contains 337440 sequences. (Running on oeis4.)