Number of n X n 0..3 arrays with no element equal to zero plus the sum of elements to its left or two plus the sum of the elements above it, modulo 4.
A239642
Number of n X n 0..3 arrays with no element equal to zero plus the sum of elements to its left or two plus the sum of the elements above it, modulo 4.
Terms
- a(0) =2a(1) =20a(2) =1182a(3) =320314a(4) =471203608
External references
- oeis: A239642