A269096 Number of nX7 0..3 arrays with some element plus some horizontally or vertically adjacent neighbor totalling three exactly once.

5832, 7375872, 5795398368, 3892946216856, 2416707037884480, 1430390977786967280, 819944297332124826720, 459338963193935894366016, 252910225839761737259917296, 137383600294764153686560207128

Offset: 1

Author

R. H. Hardin, Feb 19 2016

Keywords

• nonn

Comments

Column 7 of A269097.

Examples

			Some solutions for n=1
..0..3..2..2..0..0..1. .1..1..0..3..1..1..1. .0..1..3..1..0..3..3
		

Links

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

Crossrefs

Cf. A269097.

Formula

Empirical recurrence of order 64 (see link above)