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A267627 Number of nX4 arrays of permutations of 4 copies of 0..n-1 with every element equal to or 1 greater than any west neighbor modulo n and the upper left element equal to 0. 0
1, 35, 265, 2386, 29387, 469605, 8889180, 196362845, 4969038690 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 4 of A267629.

LINKS

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

EXAMPLE

Some solutions for n=4

..0..0..1..1....0..0..1..2....0..0..1..2....0..1..1..2....0..1..2..3

..1..1..2..2....1..1..2..3....3..3..0..1....3..0..1..2....2..3..0..1

..2..3..3..0....0..1..2..3....2..3..3..0....2..3..0..0....0..1..2..2

..2..3..3..0....2..3..3..0....1..1..2..2....1..2..3..3....3..3..0..1

CROSSREFS

Cf. A267629.

Sequence in context: A090646 A220929 A251931 * A210276 A210269 A219575

Adjacent sequences:  A267624 A267625 A267626 * A267628 A267629 A267630

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 18 2016

STATUS

approved

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Last modified September 19 17:11 EDT 2021. Contains 347564 sequences. (Running on oeis4.)