A267166 Number of 5Xn arrays containing n copies of 0..5-1 with no element 1 greater than its west, southwest or northwest neighbor modulo 5 and the upper left element equal to 0.

24, 411, 68482, 8718817, 1305588167, 272693813849, 54755346132610

Offset

1,1

Comments

Row 5 of A267163.

Links

Table of n, a(n) for n=1..7.

Example

Some solutions for n=3
..0..2..2....0..4..1....0..0..2....0..4..3....0..0..3....0..2..4....0..2..1
..4..4..1....0..4..3....3..2..4....2..0..4....2..0..3....2..4..1....0..3..1
..1..4..3....0..4..2....2..1..1....3..1..4....2..4..3....2..1..3....0..4..3
..0..0..2....1..3..2....4..4..3....3..2..1....1..4..1....3..1..0....2..4..3
..1..3..3....1..3..2....0..3..1....2..1..0....1..4..2....4..3..0....2..4..1

Crossrefs

Cf. A267163.

Sequence in context: A331931 A227750 A221619 * A016326 A287994 A072975

Adjacent sequences: A267163 A267164 A267165 * A267167 A267168 A267169

Keyword

nonn

Author

R. H. Hardin, Jan 11 2016

Status

approved