Number of 4Xn arrays containing n copies of 0..4-1 with no element 1 greater than its west neighbor modulo 4 and the upper left element equal to 0.
A266311
Number of 4Xn arrays containing n copies of 0..4-1 with no element 1 greater than its west neighbor modulo 4 and the upper left element equal to 0.
Terms
- a(0) =6a(1) =171a(2) =8190a(3) =442285a(4) =25839438a(5) =1605405629a(6) =103948820622
External references
- oeis: A266311