a(1)=1, a(n) = n*19^(n-1) + a(n-1).

A014936

a(1)=1, a(n) = n*19^(n-1) + a(n-1).

Terms

    a(0) =1a(1) =39a(2) =1122a(3) =28558a(4) =680163a(5) =15536757a(6) =344857924a(7) =7495831836a(8) =160347899205

External references