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.

Previous Showing 11-11 of 11 results.

A232341 Number of 7Xn 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally or antidiagonally, with no adjacent elements equal.

Original entry on oeis.org

1, 754, 22228, 76630, 2510674, 9298730, 318521414, 1241196022, 41049614014, 168217753216, 5314116600322, 22881089512316, 689018292976294, 3108875283706072, 89394192873266794, 421515136439868122
Offset: 1

Views

Author

R. H. Hardin, Nov 22 2013

Keywords

Comments

Row 7 of A232335

Examples

			Some solutions for n=4
..2..1..2..1....2..1..0..1....2..0..1..2....0..1..0..1....0..1..0..1
..0..1..2..1....2..1..2..0....1..2..1..0....2..1..2..1....2..1..2..1
..0..1..2..1....2..0..1..2....1..2..1..2....0..1..0..2....2..1..2..1
..0..1..0..2....1..2..0..2....1..2..0..1....0..1..0..1....0..1..2..1
..0..2..1..2....0..1..0..1....0..1..2..1....2..1..2..1....2..1..2..1
..1..2..1..2....2..1..2..1....0..1..0..2....2..1..2..1....2..1..2..1
..1..0..1..2....2..1..0..2....2..1..0..2....0..1..0..2....2..1..0..2

Links

Previous Showing 11-11 of 11 results.

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.