A204349 Number of (n+2)X8 0..3 arrays with no 3X3 subblock having three equal diagonal elements or three equal antidiagonal elements, and new values 0..3 introduced in row major order

5407387617220, 186677705463298720, 6313899655904879255175, 214143463182606762676673040, 7261165826937524787547644589200, 246208690739288821726563895377926727

Offset

1,1

Comments

Column 6 of A204351

Links

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

Example

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

Crossrefs

Sequence in context: A173710 A258275 A324206 * A351171 A094910 A295353

Adjacent sequences: A204346 A204347 A204348 * A204350 A204351 A204352

Keyword

nonn

Author

R. H. Hardin Jan 14 2012

Status

approved