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.

A297594 Number of nX7 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 or 5 neighboring 1s.

Original entry on oeis.org

13, 121, 1141, 10131, 103673, 975485, 9403199, 90862063, 875241087, 8427042917, 81250292031, 782990517405, 7544924295103, 72709571496955, 700713916141533, 6752623088862903, 65073651435105965, 627109480901081661
Offset: 1

Views

Author

R. H. Hardin, Jan 01 2018

Keywords

Comments

Column 7 of A297595.

Examples

			Some solutions for n=5
..0..1..1..0..0..1..1. .0..1..1..0..0..0..0. .0..0..0..0..0..0..0
..0..0..0..0..0..0..0. .0..0..0..0..0..1..1. .0..0..0..0..1..1..0
..1..1..0..0..0..0..1. .0..0..0..0..0..0..0. .0..0..0..0..0..0..0
..0..0..0..0..1..1..1. .0..0..1..1..0..1..0. .0..0..0..0..0..1..1
..1..1..0..0..1..0..1. .0..0..0..0..0..0..1. .1..1..0..0..0..0..0
		

Crossrefs

Cf. A297595.

Formula

Empirical recurrence of order 83 (see link above)