A186016 1/8192 the number of (n+2)X8 0..3 arrays with no 3X3 subblock trace equal to any horizontal or vertical neighbor 3X3 subblock trace

16225291062, 273130696591960, 4932440873913993583, 88884044479388021963136, 1595416034937751138022369826, 28654609946372050600800562086387, 514793257893476138400848117467563609

Offset

1,1

Comments

Column 6 of A186019

Links

R. H. Hardin, Table of n, a(n) for n = 1..9

Example

Some solutions for 4X8
..1..0..2..0..3..0..2..0....1..0..2..0..3..3..0..0....1..0..2..0..0..1..2..0
..0..0..0..0..0..2..0..1....0..0..0..0..0..3..2..0....0..0..0..0..0..1..3..1
..0..0..0..0..0..0..3..3....0..0..0..0..0..0..2..2....0..0..0..0..0..0..1..3
..0..0..0..1..0..2..0..0....0..0..0..1..0..2..0..0....0..0..0..1..0..2..0..2

Crossrefs

Sequence in context: A153432 A349324 A022241 * A186176 A233805 A227894

Adjacent sequences: A186013 A186014 A186015 * A186017 A186018 A186019

Keyword

nonn

Author

R. H. Hardin Feb 10 2011

Status

approved