Number of nX3 arrays containing 3 copies of 0..n-1 with no element 1 greater than its west, northeast or northwest neighbor modulo n and the upper left element equal to 0.

A266993

Number of nX3 arrays containing 3 copies of 0..n-1 with no element 1 greater than its west, northeast or northwest neighbor modulo n and the upper left element equal to 0.

Terms

    a(0) =1a(1) =0a(2) =2a(3) =126a(4) =67735a(5) =45049091a(6) =53041447974

External references