Solutions x of 2*uphi(x)=x, where uphi is the unitary phi function (A047994).
A030163
Solutions x of 2*uphi(x)=x, where uphi is the unitary phi function (A047994).
Terms
- a(0) =2a(1) =12a(2) =168a(3) =240a(4) =14880a(5) =65280a(6) =4294901760a(7) =7608944640
External references
- oeis: A030163