47613

Appears in sequences

• (1/4 - 1/6 + ... + d/c(n))*LCM{4, 6, ..., c(n)}, where d = (-1)^(n-1), c(n) = n-th composite number.at n=14A025546
• Numbers k such that k and k+1 have the same denominator of the harmonic means of their divisors.at n=12A348415
• Numbers k such that k and k+1 have the same denominator of the harmonic means of their unitary divisors.at n=9A348657