57852domain: NAppears in sequencesNumber of primes between n*10^6 and (n+1)*10^6.at n=32A038826Number of (w,x,y,z) with all terms in {1,...,n} and median<=mean.at n=18A212134Least number k such that k^n + k +/- 1 are twin primes, or 0 if no such k exists.at n=47A248081