Number of 4Xn 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 or zero plus the sum of the elements diagonally to its northwest, modulo 4.
A240415
Number of 4Xn 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 or zero plus the sum of the elements diagonally to its northwest, modulo 4.
Terms
- a(0) =25a(1) =139a(2) =1526a(3) =11670a(4) =74655a(5) =773196a(6) =5429095a(7) =41264901a(8) =368615027a(9) =2585037182a(10) =21489185687a(11) =174817614437
External references
- oeis: A240415