45859domain: NAppears in sequencesIndices of primes in sequence defined by A(0) = 33, A(n) = 10*A(n-1) + 23 for n > 0.at n=9A056254a(n) = 10*a(n-1) - 17*a(n-2) for n > 1; a(0) = 1, a(1) = 11.at n=5A164547Indices of primes of the form p = 2^i + 2^j + 1, i > j > 0 (A081091).at n=42A360448