150663523

Properties

Appears in sequences

• Smallest prime p such that 2*p+1 has n prime factors (with multiplicity).at n=16A072060
• a(n) = (7*9^n - 1)/2.at n=8A198964
• a(n) = 3^(n+1) + (3^n-1)/2.at n=16A237930
• Prime numbersat n=8479598