a(1)=1, a(n) = n*13^(n-1) + a(n-1).

A014928

a(1)=1, a(n) = n*13^(n-1) + a(n-1).

Terms

    a(0) =1a(1) =27a(2) =534a(3) =9322a(4) =152127a(5) =2379885a(6) =36167548a(7) =538155684a(8) =7879732173a(9) =113924725903

External references