A275351 Number of nX7 0..2 arrays with no element equal to any value at offset (-2,-1) (-2,1) or (-1,-2) and new values introduced in order 0..2.

365, 104976, 235072, 1530060, 20917472, 351504904, 5814135340, 101593710948, 1804283175916, 31575745629020, 553989175825432, 9795187879275832, 173209703832176748, 3054645736558927796, 53918074086885218288

Offset: 1

Author

R. H. Hardin, Jul 24 2016

Keywords

• nonn

Comments

Column 7 of A275352.

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..40

Crossrefs

Cf. A275352.