Number of nX4 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of elements above it or zero plus the sum of the elements diagonally to its northwest, modulo 4.
A240409
Number of nX4 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of elements above it or zero plus the sum of the elements diagonally to its northwest, modulo 4.
Terms
- a(0) =6a(1) =80a(2) =846a(3) =11670a(4) =148536a(5) =2051450a(6) =27295809a(7) =377924479a(8) =5090700587a(9) =70407569019a(10) =954551839061
External references
- oeis: A240409