A232140 Number of (3+1)X(n+1) 0..2 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors, with values 0..2 introduced in row major order.

328, 14752, 602468, 25364480, 1063744484, 44671124016, 1875654465544, 78758608380688, 3307040482438920, 138861420876088764, 5830738287776487908, 244830499590623017720, 10280340127332484865416, 431667596881321790496532

Offset: 1

Author

R. H. Hardin, Nov 19 2013

Keywords

• nonn

Comments

Row 3 of A232137

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..210
• R. H. Hardin, Empirical recurrence of order 76

Formula

Empirical recurrence of order 76 (see link above)