Numbers k such that A380459(A276086(k)) has no divisors of the form p^p, for any prime p.

A392603

Numbers k such that A380459(A276086(k)) has no divisors of the form p^p, for any prime p.

Terms

    a(0) =0a(1) =1a(2) =2a(3) =3a(4) =6a(5) =30a(6) =31a(7) =210a(8) =2310a(9) =2311a(10) =30030a(11) =510510a(12) =510511a(13) =9699690a(14) =223092870a(15) =6469693230a(16) =6469693231a(17) =6469693233a(18) =6469693261a(19) =200560490130a(20) =200560490131

External references