A184214 Number of (n+1)X7 0..3 arrays with every 2X2 subblock sum greater than 6

7189899, 16373312263, 25009565161353, 45067897172765323, 76537880222228869035, 133077056896640920382417, 229331305285207502562599550, 396580709395010561685287409609

Offset

1,1

Comments

Column 6 of A184217

Links

R. H. Hardin, Table of n, a(n) for n = 1..69

Example

Some solutions for 3X7
..0..2..0..2..2..3..3....0..2..0..2..2..2..2....0..2..0..2..2..1..3
..3..2..3..2..1..3..2....3..2..3..3..2..3..0....3..2..3..2..3..2..3
..2..0..2..3..1..2..3....2..0..2..1..1..1..3....2..0..3..0..2..2..0

Crossrefs

Sequence in context: A204308 A288481 A286010 * A181680 A253469 A325606

Adjacent sequences: A184211 A184212 A184213 * A184215 A184216 A184217

Keyword

nonn

Author

R. H. Hardin Jan 10 2011

Status

approved