a(n) = Product_{d|n, d>1} prime(A318881(d)), where A318881(d) records the prime signature of A000010(d).
A319344
a(n) = Product_{d|n, d>1} prime(A318881(d)), where A318881(d) records the prime signature of A000010(d).
Terms
- a(0) =1a(1) =2a(2) =3a(3) =6a(4) =5a(5) =18a(6) =7a(7) =30a(8) =21a(9) =50a(10) =7a(11) =270a(12) =11a(13) =98a(14) =195a(15) =390a(16) =17a(17) =882a(18) =11a(19) =1950a(20) =231a(21) =98a(22) =7a(23) =17550a(24) =55a(25) =242a(26) =231a(27) =3234a(28) =11a(29) =76050
External references
- oeis: A319344