Number of n X n 0..2 arrays with no element equal to any value at offset (-2,-1), (-2,0) or (-1,-1) and new values introduced in order 0..2.
A275497
Number of n X n 0..2 arrays with no element equal to any value at offset (-2,-1), (-2,0) or (-1,-1) and new values introduced in order 0..2.
Terms
- a(0) =1a(1) =9a(2) =80a(3) =656a(4) =4180a(5) =68080a(6) =1643372a(7) =58423188a(8) =3045734096a(9) =235680645520
External references
- oeis: A275497