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.

A218050 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..3 n X n array.

Original entry on oeis.org

4, 4, 256, 9792, 2585920, 1673074136, 4273380556408, 34255740119092068
Offset: 1

Views

Author

R. H. Hardin, Oct 19 2012

Keywords

Comments

Diagonal of A218056.

Examples

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

Crossrefs

Cf. A218056.