A230733 Number of 5Xn 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, 6212, 389148, 31533840, 2754151172, 248363501390, 21812103527788, 1901728111852788, 165852840228026162, 14485837968041437204, 1265798774448023223000, 110607760115066212161040

Offset

1,4

Comments

Row 5 of A230730

Links

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

Example

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

Crossrefs

Sequence in context: A172697 A172731 A330364 * A293355 A112665 A330933

Adjacent sequences: A230730 A230731 A230732 * A230734 A230735 A230736

Keyword

nonn

Author

R. H. Hardin, Oct 28 2013

Status

approved