565488

Appears in sequences

• Unitary harmonic numbers (those for which the unitary harmonic mean is an integer).at n=35A006086
• Smallest k such that the partial sums of the divisors of k (taken in increasing order) contain exactly n primes.at n=33A187822
• Number of n X 4 0..1 arrays avoiding 0 0 0 and 1 1 1 horizontally and 0 0 1 and 0 1 1 vertically.at n=34A208065
• a(n) = n/(Sum_{k=1..n} 1/phi(A341813(n)*k)).at n=28A341814