50495

Appears in sequences

• Numbers k such that 6*k+1, 6*k+7, 6*k+13, 6*k+19 are consecutive primes.at n=39A090839
• Numbers n such that 5*10^n + 6*R_n - 3 is prime, where R_n = 11...1 is the repunit (A002275) of length n.at n=21A103017
• Number of 0..5 arrays of length n with each element differing from at least one neighbor by 2 or more, starting with 0.at n=7A221512
• Duplicate of A090839.at n=39A296055