Number of n X n 0..2 arrays with no element equal to any value at offset (-1,0) (0,-1) or (-2,-2) and new values introduced in order 0..2.
A274852
Number of n X n 0..2 arrays with no element equal to any value at offset (-1,0) (0,-1) or (-2,-2) and new values introduced in order 0..2.
Terms
- a(0) =1a(1) =3a(2) =19a(3) =118a(4) =1085a(5) =14414a(6) =289494a(7) =8474549a(8) =367622030a(9) =23768683063
External references
- oeis: A274852