G.f.: A(x) = Product_{n>=1} 1/(1 - A007947(n)*x^n)^(1/n), where A007947(n) is the product of the distinct prime factors of n.

A094947

G.f.: A(x) = Product_{n>=1} 1/(1 - A007947(n)*x^n)^(1/n), where A007947(n) is the product of the distinct prime factors of n.

Terms

    a(0) =1a(1) =1a(2) =2a(3) =3a(4) =5a(5) =7a(6) =13a(7) =17a(8) =27a(9) =39a(10) =61a(11) =82a(12) =136a(13) =179a(14) =275a(15) =398a(16) =584a(17) =796a(18) =1251a(19) =1668a(20) =2516a(21) =3577a(22) =5198a(23) =7100a(24) =10931a(25) =14797a(26) =21738a(27) =30929a(28) =44622a(29) =61209

External references