Primes of the form Sum_{k=1..n} k^k, i.e., primes in A001923.

A073826

Primes of the form Sum_{k=1..n} k^k, i.e., primes in A001923.

Terms

    a(0) =5a(1) =3413a(2) =50069a(3) =10405071317

External references