Number of nX3 arrays of the minimum value of corresponding elements and their horizontal, vertical or antidiagonal neighbors in a random 0..2 nX3 array.

A217640

Number of nX3 arrays of the minimum value of corresponding elements and their horizontal, vertical or antidiagonal neighbors in a random 0..2 nX3 array.

Terms

    a(0) =9a(1) =27a(2) =163a(3) =877a(4) =5119a(5) =29101a(6) =166193a(7) =949883a(8) =5424617a(9) =30992313a(10) =177045523a(11) =1011403721a(12) =5777856321a(13) =33007064639a(14) =188559321601

External references