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.

A188506 Number of nX7 binary arrays without the pattern 0 1 0 diagonally, vertically or horizontally.

Original entry on oeis.org

65, 4225, 92597, 1512392, 30288308, 697038111, 15602080066, 335304991524, 7194757384224, 155853551899068, 3383311479703509, 73314613539836869, 1587497536509020156, 34383826361857099073, 744867940878570173157
Offset: 1

Views

Author

R. H. Hardin Apr 02 2011

Keywords

Comments

Column 7 of A188508

Examples

			Some solutions for 3X7
..1..1..1..1..1..0..0....0..1..1..0..0..1..1....1..0..1..1..0..1..1
..0..0..0..0..1..1..0....1..1..1..0..1..1..1....1..0..0..0..0..1..1
..0..0..0..0..0..1..1....1..1..1..0..1..1..1....0..0..0..1..1..1..1