a(n) is the smallest k such that tau(2*k) is equal to 2^n, where tau = A000005.
A380836
a(n) is the smallest k such that tau(2*k) is equal to 2^n, where tau = A000005.
Terms
- a(0) =1a(1) =3a(2) =12a(3) =60a(4) =420a(5) =3780a(6) =41580a(7) =540540a(8) =8648640a(9) =147026880a(10) =2793510720a(11) =64250746560
External references
- oeis: A380836