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A263820 Number of (4+1)X(n+1) arrays of permutations of 0..n*5+4 with each element having index change (+-,+-) 0,0 0,1 0,2 or 1,0 0
450, 134028, 21876416, 3019386508, 469723808009, 74221751084228, 11527528524302048, 1793121938656927984 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 4 of A263816

LINKS

Table of n, a(n) for n=1..8.

EXAMPLE

Some solutions for n=2

..2..4..1....0..4..2....0..2..1....0..4..2....0..2..1....2..0..1....2..0..1

..0..7..5....3..1..5....6..7..3....6..1..3....4..7..8....3..5..8....3..4..5

..3..6..8....7..8..6....8..4..5....8..7..5....3..6..5....6..4..7....7..8..6

..9.11.10....9.11.14....9.10.14...12.13.11...11..9.14...12.13.11...10.11..9

.12.13.14...12.10.13...12.13.11....9.10.14...12.10.13....9.10.14...12.14.13

CROSSREFS

Cf. A263816

Sequence in context: A232035 A035752 A107548 * A269884 A145492 A269763

Adjacent sequences:  A263817 A263818 A263819 * A263821 A263822 A263823

KEYWORD

nonn

AUTHOR

R. H. Hardin, Oct 27 2015

STATUS

approved

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Last modified October 6 23:36 EDT 2022. Contains 357270 sequences. (Running on oeis4.)