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.

A214378 Number of nXnXn triangular 0..2 arrays with no element lying outside the (possibly reversed) range delimited by its sw and se neighbors, and no element equal to its horizontal neighbors.

Original entry on oeis.org

3, 14, 94, 890, 11700, 211760, 5247716, 177440488, 8167458184, 510966924026, 43400537295428, 5000954304735070, 781294621661114882, 165421229889151981502, 47449951234009109621650
Offset: 1

Views

Author

R. H. Hardin Jul 14 2012

Keywords

Comments

Column 2 of A214384

Examples

			Some solutions for n=3
....1......1......0......0......1......1......2......2......0......1......1
...2.1....0.2....0.1....1.0....1.0....1.0....2.1....2.1....0.2....2.1....2.0
..2.0.2..0.1.2..1.0.1..0.2.0..1.0.2..0.1.0..2.1.2..0.2.1..0.2.1..0.2.1..0.2.0