33834

Appears in sequences

• Numbers k such that 22*3^k + 1 is prime.at n=40A120491
• Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n) - 1, where a(0) = 1, a(1) = 3, b(0) = 2, b(1) = 4, b(2) = 5, and (a(n)) and (b(n)) are increasing complementary sequences.at n=18A295960
• a(n) = Sum_{k=0..floor(2*n/5)} binomial(2*k,2*n-5*k).at n=26A392429