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.

A206502 Number of nX5 0..7 arrays with no element equal to another within a city block distance of two, and new values 0..7 introduced in row major order.

Original entry on oeis.org

5, 481, 178998, 83045488, 38638317841
Offset: 1

Views

Author

R. H. Hardin Feb 08 2012

Keywords

Comments

Column 5 of A206503

Examples

			Some solutions for n=4
..0..1..2..3..0....0..1..2..0..1....0..1..2..0..1....0..1..2..3..0
..2..3..0..1..2....2..3..4..5..6....2..3..4..5..2....2..3..0..1..2
..4..5..6..4..7....1..5..7..1..2....4..0..1..6..3....4..5..6..7..3
..0..7..1..5..3....0..2..3..0..4....1..2..3..7..4....1..7..2..0..4