A253042 Number of (n+2)X(6+2) 0..3 arrays with every consecutive three elements in every row, column, diagonal and antidiagonal having exactly two distinct values, and new values 0 upwards introduced in row major order

22304, 8340, 12641, 24232, 53312, 115438, 262728, 567781, 1244649, 2698327, 6151232, 13388434, 29495278, 64808231, 144441535, 317896175, 705544550, 1545061244, 3414818954, 7610405399, 16762954363, 36864641439, 81481794108

Offset

1,1

Comments

Column 6 of A253044

Links

R. H. Hardin, Table of n, a(n) for n = 1..137

Example

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

Crossrefs

Sequence in context: A119568 A204333 A252774 * A216202 A154094 A206656

Adjacent sequences: A253039 A253040 A253041 * A253043 A253044 A253045

Keyword

nonn

Author

R. H. Hardin, Dec 26 2014

Status

approved