851897554247domain: NAppears in sequencesNumerator of 1/F(1) + 1/F(2) + 1/F(3) + ... + 1/F(n), where F(n) is the n-th Fibonacci number (A000045).at n=12A059248Denominator of the harmonic mean of the first n positive Fibonacci numbers.at n=12A250744