A252775 Number of (n+2)X(5+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

105956, 649951, 5171516, 51149836, 585983612, 7366218679, 96519311021, 1318593973312, 18614939625457, 261411809310694, 3728658894119462, 53987086595448388, 770273033701489733, 11096551704475073196

Offset

1,1

Comments

Column 5 of A252777

Links

Table of n, a(n) for n=1..14.

Example

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

Crossrefs

Sequence in context: A025308 A025290 A242479 * A210410 A184649 A184646

Adjacent sequences: A252772 A252773 A252774 * A252776 A252777 A252778

Keyword

nonn

Author

R. H. Hardin, Dec 21 2014

Status

approved