497663

Properties

Appears in sequences

• Class 1+ primes: primes of the form 2^i*3^j - 1 with i, j >= 0.at n=39A005105
• (T(n-1) + T(n-2)) + T(n-1)*T(n-2) where T(0)=3, T(1)=5 and n >= 2.at n=5A100703
• a(n) = 2*12^n-1.at n=5A199031
• Primes of the form 2^i * 3^j - 1 for positive i, j.at n=32A268640
• a(n) is the least prime of the form 2^j*3^k - 1, j > 0, k > 0, j + k = n. a(n) = 0 if no such prime exists.at n=14A337437
• Prime numbersat n=41357