Number of n X n 0..2 arrays with no element equal to any value at offset (-2,-1), (-1,0) or (-1,1) and new values introduced in order 0..2.
A275177
Number of n X n 0..2 arrays with no element equal to any value at offset (-2,-1), (-1,0) or (-1,1) and new values introduced in order 0..2.
Terms
- a(0) =1a(1) =4a(2) =25a(3) =141a(4) =1465a(5) =23313a(6) =561044a(7) =20397794a(8) =1120217646a(9) =93298660085
External references
- oeis: A275177