Number of n X n 0..2 arrays with no element equal to any value at offset (-2,0), (-1,2) or (0,-2) and new values introduced in order 0..2.
A275559
Number of n X n 0..2 arrays with no element equal to any value at offset (-2,0), (-1,2) or (0,-2) and new values introduced in order 0..2.
Terms
- a(0) =1a(1) =14a(2) =126a(3) =1176a(4) =13104a(5) =221184a(6) =5360184a(7) =188294424a(8) =9859695270a(9) =753451571736
External references
- oeis: A275559