a(n) = A069359(A276086(n)), where A276086 is the primorial base exp-function and A069359(n) = n * Sum_{p|n} 1/p.
A329029
a(n) = A069359(A276086(n)), where A276086 is the primorial base exp-function and A069359(n) = n * Sum_{p|n} 1/p.
Terms
- a(0) =0a(1) =1a(2) =1a(3) =5a(4) =3a(5) =15a(6) =1a(7) =7a(8) =8a(9) =31a(10) =24a(11) =93a(12) =5a(13) =35a(14) =40a(15) =155a(16) =120a(17) =465a(18) =25a(19) =175a(20) =200a(21) =775a(22) =600a(23) =2325a(24) =125a(25) =875a(26) =1000a(27) =3875a(28) =3000a(29) =11625
External references
- oeis: A329029