Number of 5Xn arrays containing n copies of 0..5-1 with no element 1 greater than its north, northeast or northwest neighbor modulo 5 and the upper left element equal to 0.

A266889

Number of 5Xn arrays containing n copies of 0..5-1 with no element 1 greater than its north, northeast or northwest neighbor modulo 5 and the upper left element equal to 0.

Terms

    a(0) =9a(1) =525a(2) =52149a(3) =7517433a(4) =1305588167a(5) =253772079771

External references