a(n) is the smallest number k such that the symmetric representation of sigma(k) consists of n parts of width 1.
A318843
a(n) is the smallest number k such that the symmetric representation of sigma(k) consists of n parts of width 1.
Terms
- a(0) =1a(1) =3a(2) =9a(3) =21a(4) =81a(5) =147a(6) =729a(7) =903a(8) =3025a(9) =6875a(10) =59049a(11) =29095a(12) =531441a(13) =171875a(14) =366025a(15) =643885a(16) =43046721a(17) =3511475
External references
- oeis: A318843