208716domain: NAppears in sequencesNumber of (w,x,y,z) with all terms in {1,...,n} and w >= harmonic mean of {x,y,z}.at n=24A212107Start with 83; if even, divide by 2; if odd, add next three primes: Orbit of 83 under iterations of A174221, the "PrimeLatz" map.at n=37A293979