1596520

Appears in sequences

• a(n) = 3^n + n^3.at n=13A001585
• Numbers of the form p^3 + 3^p for p prime.at n=5A097059
• Numbers of the form a^b+b^a, a and b are odd primes, b > a.at n=4A173055
• Numbers of the form a^b+b^a, a and b are primes.at n=14A173056
• a(n) = Sum_{p|n, p prime} p^sopf(n/p).at n=38A369912
• Expansion of Sum_{p prime} p * x^p / (1 - p * x^p).at n=38A382513