A231749 Number of nX4 0..2 arrays with no element less than a strict majority of its horizontal, vertical, diagonal and antidiagonal neighbors

22, 186, 5106, 101517, 1787168, 36596191, 764681711, 15421779553, 309633476778, 6284893573378, 127697430555401, 2587148736974819, 52408991398868709, 1062536884554302876, 21542235015238071587, 436659223538195787389

Offset

1,1

Comments

Column 4 of A231753

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

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

Crossrefs

Sequence in context: A248496 A229367 A129126 * A072040 A022682 A107959

Adjacent sequences: A231746 A231747 A231748 * A231750 A231751 A231752

Keyword

nonn

Author

R. H. Hardin, Nov 13 2013

Status

approved