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A267754 Number of 6Xn arrays containing n copies of 0..6-1 with every element equal to or 1 greater than any north neighbor modulo 6 and the upper left element equal to 0. 0
1, 15, 780, 68151, 7280046, 873319806, 113187903900, 15506951007015, 2214490608127986, 326564039118851370 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 6 of A267751.

LINKS

Table of n, a(n) for n=1..10.

EXAMPLE

Some solutions for n=4

..0..2..3..5....0..2..1..5....0..4..2..0....0..5..2..3....0..2..5..1

..0..2..3..5....1..3..2..5....1..5..2..0....1..0..2..4....0..3..5..2

..0..2..4..0....2..4..3..0....2..5..3..1....2..0..3..4....1..3..5..2

..1..3..4..1....2..4..4..0....3..5..4..1....2..1..4..4....2..4..0..3

..2..4..5..1....3..4..5..1....3..0..4..2....3..1..5..5....3..5..1..4

..3..4..5..1....3..5..0..1....4..1..5..3....3..1..5..0....4..0..1..4

CROSSREFS

Cf. A267751.

Sequence in context: A177598 A333562 A116094 * A317798 A280310 A211104

Adjacent sequences:  A267751 A267752 A267753 * A267755 A267756 A267757

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 20 2016

STATUS

approved

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Last modified January 19 18:36 EST 2022. Contains 350466 sequences. (Running on oeis4.)