Number of n X n 0..3 arrays with no element equal to one plus the sum of elements to its left or three plus the sum of the elements above it, modulo 4.
A239332
Number of n X n 0..3 arrays with no element equal to one plus the sum of elements to its left or three plus the sum of the elements above it, modulo 4.
Terms
- a(0) =2a(1) =31a(2) =2187a(3) =790681a(4) =1527488498
External references
- oeis: A239332