a(n) is the least k such that A348172(k) = n or -1 if no such k exists.
A348184
a(n) is the least k such that A348172(k) = n or -1 if no such k exists.
Terms
- a(0) =4a(1) =1a(2) =9a(3) =243a(4) =3189375a(5) =3176523a(6) =10598252544
External references
- oeis: A348184