29360129

Appears in sequences

• a(0) = 8; for n>0, a(n) = 2*a(n-1) - 1.at n=22A083686
• a(n) = smallest k > 1 such that k-1 and k+1 together have n prime divisors.at n=28A155850
• a(n) = 7*4^n+1.at n=11A199207
• a(n) = 7*2^n + (-1)^n.at n=22A321483