Number of n X n 0..2 arrays with every element equal to either the sum mod 3 of its vertical neighbors or the sum mod 3 of its horizontal neighbors.
A183475
Number of n X n 0..2 arrays with every element equal to either the sum mod 3 of its vertical neighbors or the sum mod 3 of its horizontal neighbors.
Terms
- a(0) =1a(1) =15a(2) =117a(3) =4015a(4) =706473a(5) =116198719a(6) =84056287173
External references
- oeis: A183475