A231659 Number of nX4 0..2 arrays with no element less than a strict majority of its horizontal, vertical and antidiagonal neighbors

22, 458, 13434, 345519, 8300390, 206363144, 5175246459, 128866716238, 3207643017150, 79935039912485, 1991696428397289, 49618927570423938, 1236219496604319805, 30799762343804253281, 767351257510286891977

Offset

1,1

Comments

Column 4 of A231663

Links

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

Example

Some solutions for n=3
..1..0..0..0....0..0..2..1....0..1..0..0....1..2..1..1....1..1..1..1
..1..0..0..1....0..0..0..0....0..0..0..2....1..0..0..0....2..1..1..1
..1..2..0..0....0..0..2..0....1..2..0..0....0..0..0..0....1..1..2..1

Crossrefs

Sequence in context: A353105 A036905 A268460 * A269681 A269470 A162808

Adjacent sequences: A231656 A231657 A231658 * A231660 A231661 A231662

Keyword

nonn

Author

R. H. Hardin, Nov 12 2013

Status

approved