35883domain: NAppears in sequencesComposite numbers whose prime factors contain no digits other than 3 and 4.at n=30A036314a(0)=1, a(1)=5, a(n) = 10*a(n-1) - 23*a(n-2), n >= 2.at n=6A083880Partial sums of A299258.at n=35A299264