1775341domain: NAppears in sequencesNumerators of continued fraction convergents to sqrt(868).at n=6A042676Numbers k such that omega(k) = 4 and p^omega(k) < k^(1/4) < lpf(k)^(omega(k)+1) for all primes p | k such that p > lpf(k), where lpf = A020639(k).at n=28A383178