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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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A297589 Number of n X n 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 or 5 neighboring 1's.

Original entry on oeis.org

1, 5, 25, 154, 3747, 163704, 9403199, 1120526916, 303459238317, 138838185786076, 112146192906098209, 184312505263036081408, 579679725644521049265576, 3298268036530237426659387766
Offset: 1

Views

Author

R. H. Hardin, Jan 01 2018

Keywords

Comments

Diagonal of A297595.

Examples

			Some solutions for n=6
..0..1..1..0..1..1. .0..0..0..0..0..0. .0..0..0..0..1..0. .0..0..0..0..0..0
..0..0..0..0..0..0. .1..0..1..0..1..1. .0..1..1..0..0..1. .0..0..0..1..1..0
..1..1..0..0..0..0. .1..1..0..0..0..0. .0..0..0..0..0..0. .1..1..0..0..0..0
..0..0..0..0..0..0. .1..0..1..0..0..0. .1..0..0..0..0..0. .0..0..0..0..0..1
..1..0..0..0..1..0. .1..0..0..0..0..0. .0..1..0..0..1..1. .0..0..0..0..1..0
..0..1..0..0..0..1. .0..1..0..1..1..0. .0..0..0..0..0..0. .0..1..1..0..0..0

Crossrefs

Cf. A297595.
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