36227

Appears in sequences

• Numbers k such that 21*2^k - 1 is prime.at n=28A002238
• Successive sums of consecutive primes that form a triangular grid.at n=14A125130
• Semiprimes in A007504 (the sum of first n primes).at n=31A189072
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 433", based on the 5-celled von Neumann neighborhood.at n=36A272147
• The sum S of the maximum number of consecutive primes starting with 2 such that S <= prime(n)^2.at n=42A346134