A231034 Number of nX5 0..2 arrays x(i,j) with each element horizontally, diagonally or antidiagonally next to at least one element with value (x(i,j)+1) mod 3 and at least one element with value (x(i,j)-1) mod 3, and upper left element zero

0, 0, 736, 17984, 783848, 36327118, 1587011224, 69795938150, 3103177507948, 137292888379012, 6080196345816106, 269364486106376290, 11930608205466917572, 528463742288121797230, 23408232286089351072322

Offset

1,3

Comments

Column 5 of A231037

Links

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

Example

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

Crossrefs

Sequence in context: A067866 A157198 A156954 * A004078 A295984 A218596

Adjacent sequences: A231031 A231032 A231033 * A231035 A231036 A231037

Keyword

nonn

Author

R. H. Hardin, Nov 03 2013

Status

approved