70254593

Properties

Appears in sequences

• Primes p for which the period of 1/p is a power of 2.at n=24A072982
• a(0)=0; thereafter a(n) = (3*n+1)*2^(n-2)+1.at n=23A170881
• Odd prime factors of generalized Fermat numbers of the form 7^(2^m) + 1 with m >= 0.at n=18A273948
• Odd prime factors of generalized Fermat numbers of the form 11^(2^m) + 1 with m >= 0.at n=12A273949
• Prime numbersat n=4132159