2145353

Appears in sequences

• Numbers k such that 3*2^k + 1 is prime.at n=43A002253
• Numbers k such that 3*2^k + 1 is a prime factor of a Fermat number 2^(2^m) + 1 for some m.at n=6A204620
• Numbers k such that 3*2^k + 1 is a prime factor of a generalized Fermat number 3^(2^m) + 1 for some m.at n=34A268657
• Numbers k such that 3*2^k + 1 is a prime factor of a generalized Fermat number 5^(2^m) + 1 for some m.at n=19A268658
• Numbers k such that 3*2^k + 1 is a prime factor of a generalized Fermat number 10^(2^m) + 1 for some m.at n=6A268659
• Numbers n such that 3*2^n + 1 is a prime factor of a generalized Fermat number 12^(2^m) + 1 for some m.at n=14A268660