a(0) = 1, a(1) = 19; for n > 1, a(n) = 19*a(n-1) + a(n-2).

A243399

a(0) = 1, a(1) = 19; for n > 1, a(n) = 19*a(n-1) + a(n-2).

Terms

    a(0) =1a(1) =19a(2) =362a(3) =6897a(4) =131405a(5) =2503592a(6) =47699653a(7) =908796999a(8) =17314842634a(9) =329890807045

External references