A275356 Number of 6Xn 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.

122, 3456, 16956, 175152, 2130176, 26615196, 351504904, 4681346476, 62600128172, 840740447848, 11302164467116, 152036300837588, 2045851077415224, 27533784482988444, 370572411439612120, 4987688003464417032

Offset

1,1

Comments

Row 6 of A275352.

Links

R. H. Hardin, Table of n, a(n) for n = 1..127

Example

Some solutions for n=4
..0..0..1..0. .0..1..0..1. .0..0..0..1. .0..0..0..0. .0..1..0..0
..0..0..1..1. .1..0..2..2. .1..2..1..2. .1..0..1..2. .0..0..1..0
..1..2..2..2. .2..2..2..1. .1..1..2..1. .2..1..2..1. .2..1..2..2
..2..2..2..0. .1..0..1..1. .1..0..0..2. .1..2..1..2. .1..2..1..0
..0..0..0..0. .0..1..0..1. .0..0..2..1. .0..1..2..0. .0..1..0..0
..0..1..1..1. .2..2..2..2. .2..2..1..1. .1..0..1..0. .0..2..1..2

Crossrefs

Cf. A275352.

Sequence in context: A259528 A192870 A208432 * A275146 A275226 A281609

Adjacent sequences: A275353 A275354 A275355 * A275357 A275358 A275359

Keyword

nonn

Author

R. H. Hardin, Jul 24 2016

Status

approved