A230792 Number of (n+3)X(4+3) 0..3 arrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 4, and upper left element zero

394384, 84019184, 29033433664, 7664693723264, 1994194775462464, 556151445605511168, 154252140168129506064, 42184065848565028239904, 11553532099805141103855376, 3171523842997877789519072976

Offset

1,1

Comments

Column 4 of A230796

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

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

Crossrefs

Sequence in context: A210162 A320209 A320218 * A131277 A250453 A233612

Adjacent sequences: A230789 A230790 A230791 * A230793 A230794 A230795

Keyword

nonn

Author

R. H. Hardin, Oct 30 2013

Status

approved