A204524 Number of (n+2)X5 0..3 arrays with every 3X3 subblock having three equal elements in a row horizontally, vertically, diagonally or antidiagonally exactly one way, and new values 0..3 introduced in row major order

2838990, 410928067, 69278097544, 8625334175897, 1283785888702600, 203225034743837454

Offset

1,1

Comments

Column 3 of A204525

Links

Table of n, a(n) for n=1..6.

Example

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

Crossrefs

Sequence in context: A258563 A204413 A204789 * A321669 A237944 A101768

Adjacent sequences: A204521 A204522 A204523 * A204525 A204526 A204527

Keyword

nonn

Author

R. H. Hardin Jan 15 2012

Status

approved