A267560 - OEIS

A267560

Number of 6Xn arrays containing n copies of 0..6-1 with every element equal to or 1 greater than any north or northeast neighbors modulo 6 and the upper left element equal to 0.

1, 2, 5, 14, 54, 279, 2041, 22189, 326500, 5621462, 104501293, 2016824167, 39643063478, 785897007104

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

OFFSET

1,2

COMMENTS

Row 6 of A267553.

LINKS

Table of n, a(n) for n=1..14.

EXAMPLE

Some solutions for n=4

..0..1..2..2....0..0..1..2....0..1..1..2....0..5..0..1....0..0..0..0

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

..2..3..4..4....2..2..3..4....2..2..3..4....1..1..2..3....2..2..2..2

..3..4..5..5....3..3..4..5....3..3..4..5....2..2..3..4....3..3..3..3

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

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

CROSSREFS

Cf. A267553.

Sequence in context: A081439 A052649 A267561 * A122594 A267559 A047136

Adjacent sequences: A267557 A267558 A267559 * A267561 A267562 A267563

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 17 2016

STATUS

approved