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.

A229369 Number of nX5 0..2 arrays avoiding 11 horizontally, 22 vertically and 00 antidiagonally.

Original entry on oeis.org

164, 4144, 122497, 3576912, 104382552, 3043629267, 89084628843, 2599351293506, 76022735747576, 2220055036850204, 64891952478301245, 1895740602154065042, 55399224157117918936, 1618646788430829125358, 47297972275705523494868
Offset: 1

Views

Author

R. H. Hardin Sep 21 2013

Keywords

Comments

Column 5 of A229372

Examples

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

Formula

Empirical recurrence of order 50 (see link above)