a(n) is the least number such that the concatenation of all the previous terms with it is squarefree and has n prime factors. a(0)=0.

A309234

a(n) is the least number such that the concatenation of all the previous terms with it is squarefree and has n prime factors. a(0)=0.

Terms

    a(0) =0a(1) =2a(2) =1a(3) =10a(4) =29a(5) =5a(6) =154a(7) =66a(8) =1005a(9) =158a(10) =18634a(11) =8190a(12) =113022a(13) =62010a(14) =102310a(15) =5313758a(16) =15617985a(17) =510510

External references