A231851 Number of nX4 0..2 arrays with no element having a strict majority of its horizontal and antidiagonal neighbors equal to itself plus one mod 3, with upper left element zero (rock paper and scissors drawn positions).

8, 144, 7339, 360966, 17726611, 870478586, 42745416641, 2099041399895, 103074789422478, 5061554394805698, 248550911791818706, 12205253749015192168, 599346902427518296059, 29431318417158665841585

Offset: 1

Author

R. H. Hardin, Nov 14 2013

Keywords

• nonn

Comments

Column 4 of A231855

Examples

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

Links

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

Formula

Empirical: a(n) = 62*a(n-1) -697*a(n-2) +3287*a(n-3) -7718*a(n-4) +9336*a(n-5) -5629*a(n-6) +1612*a(n-7) -184*a(n-8) +4*a(n-9) for n>10