Number of 5Xn arrays containing n copies of 0..5-1 with no element 1 greater than its west or north neighbor modulo 5 and the upper left element equal to 0.
A266321
Number of 5Xn arrays containing n copies of 0..5-1 with no element 1 greater than its west or north neighbor modulo 5 and the upper left element equal to 0.
Terms
- a(0) =9a(1) =1007a(2) =203051a(3) =51862494a(4) =15059945769
External references
- oeis: A266321