A231937 Number of n X 4 0..3 arrays with no element less than a strict majority of its horizontal, diagonal and antidiagonal neighbors.

50, 5070, 206808, 11159202, 518972238, 23280281589, 1098832065447, 52087504055935, 2432351670277323, 113769979092350975, 5346219822861215921, 250967014555486774293, 11767760181894477862270, 552098639482903392844421

Offset: 1

Author

R. H. Hardin, Nov 15 2013

Keywords

• nonn

Comments

Column 4 of A231940.

Examples

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

Links

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

Crossrefs

Cf. A231940.