237852domain: NAppears in sequencesNumerators of continued fraction convergents to cube root of 6.at n=7A002360Let p = prime(n). Smallest j such that q = j*2*p^3-1, r = j*p*2*q^2-1, s = j*p*2*r^2-1, and j*p*2*s^2-1 are prime numbers.at n=15A224612