Number of n X n 0..3 arrays with no element equal to the sum modulo 4 of elements to its left or elements above it.
A238767
Number of n X n 0..3 arrays with no element equal to the sum modulo 4 of elements to its left or elements above it.
Terms
- a(0) =3a(1) =30a(2) =1888a(3) =604412a(4) =976810146
External references
- oeis: A238767