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.

A208697 Number of nX7 0..1 arrays avoiding 0 0 1 and 1 0 0 horizontally and 0 1 0 and 1 0 1 vertically.

Original entry on oeis.org

35, 1225, 8977, 109599, 1103081, 12014735, 126827983, 1356513169, 14425723357, 153741350353, 1637205937955, 17441454604351, 185777794829329, 1978904120738349, 21078662513667499, 224526113423385269
Offset: 1

Views

Author

R. H. Hardin Mar 01 2012

Keywords

Comments

Column 7 of A208698

Examples

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