A184028 1/8 the number of (n+1)X9 0..3 arrays with all 2X2 subblock sums the same

89044, 117321, 165929, 271176, 477919, 950430, 1994441, 4552710

Offset

1,1

Comments

Column 8 of A184029

Links

Table of n, a(n) for n=1..8.

Example

Some solutions for 4X9
..0..3..2..1..2..3..2..1..1....0..2..2..1..2..2..1..2..0
..2..0..0..2..0..0..0..2..1....2..1..0..2..0..1..1..1..2
..0..3..2..1..2..3..2..1..1....1..1..3..0..3..1..2..1..1
..2..0..0..2..0..0..0..2..1....2..1..0..2..0..1..1..1..2

Crossrefs

Sequence in context: A233038 A205835 A237902 * A209896 A255390 A347076

Adjacent sequences: A184025 A184026 A184027 * A184029 A184030 A184031

Keyword

nonn

Author

R. H. Hardin Jan 08 2011

Status

approved