cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A207547 Number of nX5 0..2 arrays avoiding the pattern z-2 z-1 z in any row, column, nw-to-se diagonal or ne-to-sw antidiagonal.

Original entry on oeis.org

216, 46656, 7169168, 1058580304, 151596413811, 21553876840265, 3054158366460488, 432330439527473859, 61173307041263346298, 8654652528939212249147, 1224376462168696645919384
Offset: 1

Views

Author

R. H. Hardin Feb 18 2012

Keywords

Comments

Column 5 of A207550

Examples

			Some solutions for n=4
..0..1..0..1..0....2..1..1..0..0....0..0..1..1..1....0..2..0..2..2
..1..2..1..1..2....1..2..0..0..2....0..2..1..0..2....0..0..2..2..1
..0..2..1..2..0....0..2..1..2..0....2..2..0..1..0....2..1..2..0..2
..0..0..2..1..0....2..1..1..0..0....0..2..2..0..2....1..0..0..1..1