Number of n X n 0..2 arrays with no element equal to any value at offset (-1,-2) (-2,-1) (0,-1) or (-1,0) and new values introduced in order 0..2.
A274797
Number of n X n 0..2 arrays with no element equal to any value at offset (-1,-2) (-2,-1) (0,-1) or (-1,0) and new values introduced in order 0..2.
Terms
- a(0) =1a(1) =3a(2) =30a(3) =596a(4) =22988a(5) =1774372a(6) =273764292a(7) =85071335388
External references
- oeis: A274797