A253618 Number of (3+2)X(n+2) 0..2 arrays with every consecutive three elements in every row and diagonal having one or two distinct values, and in every column and antidiagonal having two or three distinct values, and new values 0 upwards introduced in row major order

97232, 2501365, 61983527, 1542279536, 38837441580, 976284568169, 24520064704692, 616420419246184, 15495062392570291, 389477333623837200, 9790472335323840057, 246106165158312931395, 6186423429210636825785

Offset

1,1

Comments

Row 3 of A253615

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

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

Crossrefs

Sequence in context: A235299 A186013 A102868 * A205042 A184494 A251833

Adjacent sequences: A253615 A253616 A253617 * A253619 A253620 A253621

Keyword

nonn

Author

R. H. Hardin, Jan 05 2015

Status

approved