A252776 Number of (n+2)X(6+2) 0..3 arrays with every consecutive three elements in every row, column and nw-se diagonal having exactly two distinct values, and new values 0 upwards introduced in row major order

507049, 3523216, 34241905, 451291764, 7366218679, 132077978653, 2528408773613, 51026878095891, 1027728453930416, 20952072898331732

Offset

1,1

Comments

Column 6 of A252777

Links

Table of n, a(n) for n=1..10.

Example

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

Crossrefs

Sequence in context: A195525 A124945 A205167 * A271583 A076337 A258154

Adjacent sequences: A252773 A252774 A252775 * A252777 A252778 A252779

Keyword

nonn

Author

R. H. Hardin, Dec 21 2014

Status

approved