A230734 Number of 6Xn 0..5 arrays x(i,j) with each element horizontally or antidiagonally next to at least one element with value (x(i,j)+1) mod 6, and upper left element zero

0, 0, 0, 95412, 15237056, 3392436180, 819577760474, 204781683440046, 49329078109722820, 11785013343689578518

Offset

1,4

Comments

Row 6 of A230730

Links

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

Example

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

Crossrefs

Sequence in context: A128389 A258420 A206105 * A114660 A183967 A293372

Adjacent sequences: A230731 A230732 A230733 * A230735 A230736 A230737

Keyword

nonn

Author

R. H. Hardin, Oct 28 2013

Status

approved