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.

A217542 Number of n X n arrays of the minimum value of corresponding elements and their horizontal, vertical, diagonal or antidiagonal neighbors in a random 0..2 n X n array.

Original entry on oeis.org

3, 3, 81, 1401, 128051, 22263471, 12094757481, 16101863824781
Offset: 1

Views

Author

R. H. Hardin Oct 06 2012

Keywords

Comments

Diagonal of A217547

Examples

			Some solutions for n=3
..2..2..2....2..2..2....1..1..2....1..1..2....1..0..0....2..1..1....1..0..0
..0..0..2....1..0..0....1..1..2....1..0..0....0..0..0....1..1..1....1..0..0
..0..0..2....1..0..0....1..1..2....1..0..0....0..0..0....1..1..1....1..0..0