255361

Properties

Appears in sequences

• Numbers n such that the Eisenstein integer (1 - ω)^n - 1 has prime norm, where ω = -1/2 + sqrt(-3)/2.at n=23A066408
• Primes p such that 3^p - 3^((p + 1)/2) + 1 is prime.at n=10A125738
• Primes p such that (p+1)/2, (p+2)/3 and (p+3)/4 are also primes.at n=8A163573
• Primes of the form 7n^2 - 6.at n=20A201852
• Row 2 of A328464: a(n) = A276156(4n - 2) / 2.at n=36A328465
• Prime numbersat n=22471