Number of 5Xn arrays containing n copies of 0..5-1 with no element 1 greater than its north or northeast neighbor modulo 5 and the upper left element equal to 0.
A266602
Number of 5Xn arrays containing n copies of 0..5-1 with no element 1 greater than its north or northeast neighbor modulo 5 and the upper left element equal to 0.
Terms
- a(0) =9a(1) =1197a(2) =289569a(3) =89795439a(4) =31745527110
External references
- oeis: A266602