Number of n X n 0..3 arrays with no element equal to one plus the sum of elements to its left or one plus the sum of the elements above it, modulo 4.
A239039
Number of n X n 0..3 arrays with no element equal to one plus the sum of elements to its left or one plus the sum of the elements above it, modulo 4.
Terms
- a(0) =3a(1) =41a(2) =2739a(3) =996325a(4) =1916936295
External references
- oeis: A239039