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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A275559 Number of n X n 0..2 arrays with no element equal to any value at offset (-2,0), (-1,2) or (0,-2) and new values introduced in order 0..2.

Original entry on oeis.org

1, 14, 126, 1176, 13104, 221184, 5360184, 188294424, 9859695270, 753451571736, 86203713522030, 14475271269137334
Offset: 1

Views

Author

R. H. Hardin, Aug 01 2016

Keywords

Comments

Diagonal of A275565.

Examples

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

Crossrefs

Cf. A275565.
Previous Showing 11-11 of 11 results.

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