37495

Appears in sequences

• Numbers k such that 7*R_k - 50 is prime, where R_k = 11...1 is the repunit (A002275) of length k.at n=19A256726
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 617", based on the 5-celled von Neumann neighborhood.at n=31A273248