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.

A231323 Number of (n+1) X (7+1) 0..2 arrays with no element equal to a strict majority of its diagonal and antidiagonal neighbors, with values 0..2 introduced in row major order.

Original entry on oeis.org

645504, 1607468544, 5132640060000, 15154743446853216, 45929855692690790400, 138493610465688295961184, 418284029768568825937161600, 1263090712888488868089057630816, 3814456862436895259545489736740704
Offset: 1

Views

Author

R. H. Hardin, Nov 07 2013

Keywords

Comments

Column 7 of A231324.

Examples

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

Crossrefs

Cf. A231324.