A252948 Number of (n+2)X(4+2) 0..2 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

11943, 57978, 334197, 2101338, 13646115, 90331596, 603797472, 4053062745, 27261133281, 183573601551, 1236849898797, 8335733861484, 56186781207696, 378754028778393, 2553271491665079, 17212557055072455, 116037485548768206

Offset

1,1

Comments

Column 4 of A252952

Links

R. H. Hardin, Table of n, a(n) for n = 1..161

Example

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

Crossrefs

Sequence in context: A321157 A237635 A344629 * A065701 A237491 A235074

Adjacent sequences: A252945 A252946 A252947 * A252949 A252950 A252951

Keyword

nonn

Author

R. H. Hardin, Dec 25 2014

Status

approved