Number of n X n 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of the elements above it, modulo 4.
A239811
Number of n X n 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of the elements above it, modulo 4.
Terms
- a(0) =2a(1) =23a(2) =1480a(3) =510748a(4) =884977259
External references
- oeis: A239811