Shifts left when Dirichlet convolution (DC:(b,b)->a) applied 3 times.

A144317

Shifts left when Dirichlet convolution (DC:(b,b)->a) applied 3 times.

Terms

    a(0) =1a(1) =1a(2) =8a(3) =64a(4) =540a(5) =4320a(6) =35008a(7) =280064a(8) =2244152a(9) =17955008a(10) =143670304a(11) =1149362432a(12) =9195171392a(13) =73561371136a(14) =588492929536

External references