A302744 Number of 5Xn 0..1 arrays with every element equal to 0, 1, 2, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

16, 512, 11980, 286631, 6947036, 168799572, 4104115772, 99818649293, 2427829113648, 59052536397220, 1436349489188322, 34936780127006555, 849778519255324644, 20669440240076116148, 502749555285048546206

Offset: 1

Author

R. H. Hardin, Apr 12 2018

Keywords

• nonn

Comments

Row 5 of A302741.

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..1..0..1. .0..0..0..1..1. .0..0..1..0..1. .0..0..1..1..1
..0..1..1..1..1. .1..0..1..1..1. .1..0..1..0..1. .1..0..1..0..0
..0..1..0..1..0. .0..1..0..1..0. .1..0..0..0..0. .0..1..0..1..1
..1..0..1..0..0. .1..0..0..1..1. .1..1..1..1..0. .1..0..1..0..0
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..210
• R. H. Hardin, Empirical recurrence of order 64

Crossrefs

Cf. A302741.

Formula

Empirical recurrence of order 64 (see link above)