A186014 1/8192 the number of (n+2)X6 0..3 arrays with no 3X3 subblock trace equal to any horizontal or vertical neighbor 3X3 subblock trace

5341590, 9070779376, 16043983212792, 28418702031939836, 50262815203472669902, 88884044479388021963136, 157181851464796372886688987, 277959486316686617376269652771

Offset

1,1

Comments

Column 4 of A186019

Links

R. H. Hardin, Table of n, a(n) for n = 1..50

Example

Some solutions for 4X6
..0..2..0..3..0..1....0..2..2..3..0..0....0..2..0..3..0..0....0..2..2..2..2..3
..0..0..0..2..0..2....0..0..0..0..1..2....0..0..0..0..0..0....0..0..0..2..2..2
..0..0..0..0..2..3....0..0..0..0..3..2....0..0..0..0..3..3....0..0..0..0..0..2
..0..0..2..0..1..1....0..0..2..0..1..0....0..0..2..0..1..2....0..0..2..0..1..0

Crossrefs

Sequence in context: A147528 A338542 A115960 * A234496 A022258 A092020

Adjacent sequences: A186011 A186012 A186013 * A186015 A186016 A186017

Keyword

nonn

Author

R. H. Hardin Feb 10 2011

Status

approved