A267345 Number of 5Xn arrays containing n copies of 0..5-1 with every element equal to or 1 greater than any north, west or southwest neighbors modulo 5 and the upper left element equal to 0.

1, 1, 2, 2, 36, 264, 1223, 4462, 14328, 55017, 305712, 2436601, 19006535, 123949281, 690092171, 3461268856, 16984062800, 90079107517, 548487219149, 3658610091214, 24346275430333, 153077920654892

Offset

1,3

Comments

Row 5 of A267338.

Links

Table of n, a(n) for n=1..22.

Example

Some solutions for n=5
..0..0..1..2..3....0..1..2..3..4....0..1..2..3..4....0..1..2..3..4
..0..1..2..3..4....1..2..3..4..0....0..1..2..3..4....1..2..3..4..0
..1..1..2..3..4....2..3..4..0..1....0..1..2..3..4....1..2..3..4..0
..1..2..3..4..0....3..4..0..1..2....0..1..2..3..4....2..3..4..0..1
..2..3..4..4..0....4..0..1..2..3....0..1..2..3..4....3..4..0..1..2

Crossrefs

Cf. A267338.

Sequence in context: A131658 A131657 A298993 * A059523 A038623 A001121

Adjacent sequences: A267342 A267343 A267344 * A267346 A267347 A267348

Keyword

nonn

Author

R. H. Hardin, Jan 13 2016

Status

approved