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.

A208042 Number of 6Xn 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 0 and 1 0 1 vertically.

Original entry on oeis.org

19, 361, 1995, 11025, 94605, 811801, 5866411, 42393121, 327288437, 2526771289, 19008214715, 142993641025, 1086798939915, 8260031196729, 62521114891599, 473229424222569, 3587920094200239, 27202811032966009, 206103852899096453
Offset: 1

Views

Author

R. H. Hardin Feb 22 2012

Keywords

Comments

Row 6 of A208039

Examples

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