171843domain: NAppears in sequencesNumbers k such that 3^k + 10 is prime.at n=34A217137a(n) is the numerator of f(n) where f(n) = 1/n for n <= 2 and f(2n) = f(n-1)*f(n+1)+1, and f(2n+1) = f(n)*f(n+1)+1 for n > 2.at n=28A338637