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.

A223664 Number of n X n 0..1 arrays with rows, diagonals and antidiagonals unimodal.

Original entry on oeis.org

2, 16, 292, 6454, 136289, 2715255, 51831694, 962697852, 17643516790, 323311474180
Offset: 1

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Author

R. H. Hardin Mar 25 2013

Keywords

Comments

Diagonal of A223669

Examples

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

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