A368462 Prime averages of first k odd primes for some k.

3, 5, 1117, 200325407

Offset: 1

Author

Ya-Ping Lu, Dec 25 2023

Keywords

• nonn
• more

Comments

a(5) > 8*10^10.

Crossrefs

Prime terms of A363477.

Cf. A050248, A071148, A097961.

Programs

Python

from sympy import nextprime, isprime
p, s, k = 2, 0, 0
while k < 3*10**7:
    p = nextprime(p); s += p; k += 1; r = divmod(s, k)
    if r[1] == 0 and isprime(r[0]): print(r[0], end = ", ")