Number of 5Xn arrays containing n copies of 0..5-1 with no element 1 greater than its north, southwest or northwest neighbor modulo 5 and the upper left element equal to 0.
A266881
Number of 5Xn arrays containing n copies of 0..5-1 with no element 1 greater than its north, southwest or northwest neighbor modulo 5 and the upper left element equal to 0.
Terms
- a(0) =9a(1) =351a(2) =33529a(3) =4555903a(4) =763867475a(5) =138332628493
External references
- oeis: A266881