1753088

Appears in sequences

• Numbers k such that 3^k + 2 is prime.at n=46A051783
• a(n) = 2^(n-2)*(n^2 - n + 4).at n=15A053730
• Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 390", based on the 5-celled von Neumann neighborhood.at n=20A287982