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.

A297319 Number of 6Xn 0..1 arrays with every 1 horizontally or antidiagonally adjacent to 1 or 2 neighboring 1s.

Original entry on oeis.org

1, 616, 16389, 223995, 6623719, 200646607, 4893232934, 123820581049, 3282367305458, 85515734535996, 2212616825808470, 57500163901287398, 1495338053514246125, 38856248352062385594, 1009626165673776079481
Offset: 1

Views

Author

R. H. Hardin, Dec 28 2017

Keywords

Comments

Row 6 of A297314.

Examples

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

Crossrefs

Cf. A297314.