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.

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A206865 Number of n X n 0..1 arrays avoiding 0 0 0 horizontally and 1 0 1 vertically.

Original entry on oeis.org

2, 16, 211, 7675, 728935, 159327093, 90497940567, 125050630010443, 420541855354109634, 3548467633453651525361, 73505549006944543732634211, 3751209136697289848938709033475
Offset: 1

Views

Author

R. H. Hardin Feb 13 2012

Keywords

Comments

Diagonal of A206871

Examples

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