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.

A218848 Unmatched value maps: number of 7Xn binary arrays indicating the locations of corresponding elements not equal to any horizontal or antidiagonal neighbor in a random 0..1 7Xn array.

Original entry on oeis.org

1, 1897, 44857, 1842766, 58634265, 1948262831, 64756459689, 2158022097024, 72005693397249, 2401007959333366, 80020956182679940, 2666324484059219950, 88840855997887519080, 2960140859490010750266, 98629740626776522570263
Offset: 1

Views

Author

R. H. Hardin Nov 07 2012

Keywords

Comments

Row 7 of A218842

Examples

			Some solutions for n=3
..1..1..0....1..0..1....0..0..1....0..0..0....1..0..1....0..0..0....1..1..1
..0..0..0....0..0..1....1..0..0....0..0..0....0..0..0....0..0..0....1..0..0
..0..0..0....0..0..1....1..0..0....1..0..1....1..0..0....0..0..0....0..1..1
..0..0..1....1..0..0....1..0..0....1..0..0....1..0..1....0..1..1....1..0..0
..1..1..1....0..0..0....1..0..0....1..0..1....1..0..0....1..0..0....1..0..1
..1..0..1....1..0..1....0..0..0....1..1..0....0..0..0....0..0..0....1..1..0
..0..0..0....1..0..0....0..1..1....0..0..0....0..0..1....0..0..1....0..0..0