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A264063 revision #2

A264063

Number of (6+1)X(n+1) arrays of permutations of 0..n*k-1 with each element having index change +-(.,.) 0,0 1,2 or 2,-2.

1, 320, 102400, 5760000, 324000000, 34260048000, 3622687928896, 311933405047264, 26859186077900176

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

COMMENTS

Row 6 of A264059.

LINKS

Table of n, a(n) for n=1..9.

EXAMPLE

Some solutions for n=3

..0..7..2..9....0..1..8..9....0..1..2..9....6..1..8..9....0..7..8..3

..4..5.12..1....4..5..6.13...10.11.12..7...10..5..0.13....4.11.12..1

.14..3.10.11....2..3.10.17....8..3..4..5....2..3..4.11....2..9.10..5

..6.19..8.15...12..7.14.15....6.19.20.21...18..7.14.15....6.19.14.15

.22.17.24.13...16.11.24.25...22.23.18.13...22.23.12.19...16.17.18.13

.26.21.16.23...20.21.22.23...14.15.16.17...26.21.16.17...26.27.22.23

.18.25.20.27...18.19.26.27...24.25.26.27...24.25.20.27...24.25.20.21

CROSSREFS

Cf. A264059.

Sequence in context: A264140 A045813 A121011 * A174778 A300849 A351994

Adjacent sequences: A264060 A264061 A264062 * A264064 A264065 A264066

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 02 2015

STATUS

editing