A183852 Number of (n+1)X8 0..3 arrays with each element of every 2X2 subblock being the sum mod 4 of two others.

29863, 591211, 10793131, 265093125, 6355114021, 181527680767, 5102345174752, 154188934678551, 4604277587760239, 141296909019355751, 4307449067043766425, 132709859004874156095, 4075563520087286739862, 125698794388164258100562

Offset

1,1

Comments

Column 7 of A183854

Links

R. H. Hardin, Table of n, a(n) for n = 1..200

Example

Some solutions for 3X8
..0..2..0..2..2..2..2..0....2..0..2..0..2..0..2..0....0..2..0..2..2..0..2..2
..2..0..2..2..0..2..0..2....0..2..2..2..2..0..2..2....2..0..2..0..0..2..0..0
..0..2..0..0..2..0..2..0....0..2..0..2..0..2..0..0....2..2..2..0..0..2..2..2

Crossrefs

Sequence in context: A209812 A258755 A251681 * A274358 A235826 A235823

Adjacent sequences: A183849 A183850 A183851 * A183853 A183854 A183855

Keyword

nonn

Author

R. H. Hardin, Jan 07 2011

Status

approved