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.

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A275125 Number of n X n 0..2 arrays with no element equal to any value at offset (-2,-2), (-1,0) or (-1,1) and new values introduced in order 0..2.

Original entry on oeis.org

1, 4, 45, 568, 12423, 473185, 31446544, 3669759648, 753079344538, 270970785837211, 171664742070518870, 191385314222655170098
Offset: 1

Views

Author

R. H. Hardin, Jul 17 2016

Keywords

Comments

Diagonal of A275131.

Examples

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

Crossrefs

Cf. A275131.
Previous Showing 11-11 of 11 results.

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