59437domain: NAppears in sequencesa(n) = n^3 + 3*n + 1.at n=39A005491Ceiling((n+1/n)^3).at n=38A197773a(n) = greatest integer N such that (number of primes <= N) >= (number of numbers <= N that contain a zero in base n).at n=25A306526Composite numbers for which A324644(n)/A324198(n) = 2 and sigma(n) == 2 (mod 4).at n=46A371082