A266835 - OEIS

A266835

Number of 5Xn arrays containing n copies of 0..5-1 with no element 1 greater than its north, west or northwest neighbor modulo 5 and the upper left element equal to 0.

9, 314, 27315, 3343156, 501954949, 84214451308, 14916510402358, 2723160268532575

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

OFFSET

1,1

COMMENTS

Row 5 of A266832.

LINKS

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

EXAMPLE

Some solutions for n=3

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

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

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

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

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

CROSSREFS

Cf. A266832.

Sequence in context: A163702 A160194 A217145 * A288324 A317634 A198401

Adjacent sequences: A266832 A266833 A266834 * A266836 A266837 A266838

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 04 2016

STATUS

approved