Number of n X n (0,1,2) arrays of permanents of 2X2 subblocks of some (n+1)X(n+1) binary array.
A226844
Number of n X n (0,1,2) arrays of permanents of 2X2 subblocks of some (n+1)X(n+1) binary array.
Terms
- a(0) =3a(1) =71a(2) =4722a(3) =989731a(4) =838184554
External references
- oeis: A226844