A343733 - cp's OEIS frontend

A343733 Primes p at which tau(p^p) is a prime power, where tau is the number-of-divisors function A000005.

n	a(n)
1	2
2	3
3	7
4	31
5	127
6	8191
7	131071
8	524287
9	2147483647
10	2305843009213693951
11	618970019642690137449562111
12	162259276829213363391578010288127
13	170141183460469231731687303715884105727

[2, 3, 7, 31, 127, 8191, 131071, 524287, 2147483647, 2305843009213693951, 618970019642690137449562111, 162259276829213363391578010288127, 170141183460469231731687303715884105727]

cp's OEIS Frontend

A343733 Primes p at which tau(p^p) is a prime power, where tau is the number-of-divisors function A000005.

Table of values

List of values