A205427 Number of (n+1)X5 0..3 arrays with the number of equal 2X2 subblock diagonal pairs and equal antidiagonal pairs differing from each horizontal or vertical neighbor, and new values 0..3 introduced in row major order

7566, 513038, 40007284, 3163254256, 250194674424, 19790583241516, 1565428649231412, 123825044437827912, 9794526971986812732, 774744421044922567672, 61282071591363428044540, 4847395100887583024274860

Offset

1,1

Comments

Column 4 of A205431

Links

R. H. Hardin, Table of n, a(n) for n = 1..21

Example

Some solutions for n=4
..0..0..0..0..0....0..0..0..0..1....0..0..0..0..0....0..0..1..0..0
..0..0..1..1..0....2..1..0..0..0....0..0..1..1..0....0..1..0..0..0
..0..1..0..1..3....1..3..2..0..0....3..0..2..1..0....3..1..1..1..0
..2..1..1..0..1....2..2..1..1..0....1..2..1..2..1....2..3..2..1..0
..0..2..2..1..0....1..2..3..1..2....1..1..2..3..1....1..0..3..3..1

Crossrefs

Sequence in context: A235572 A351382 A206173 * A252163 A031585 A031765

Adjacent sequences: A205424 A205425 A205426 * A205428 A205429 A205430

Keyword

nonn

Author

R. H. Hardin Jan 27 2012

Status

approved