59468domain: NAppears in sequencesa(n) = least m such that sum of m reciprocal primes starting with n-th prime is >1.at n=32A137368Numbers k such that A003132(k^3) = A003132(k), where A003132(n) is the sum of the squares of the digits of n.at n=17A309884Number of 5-element subsets of [n] having a prime element sum.at n=29A320680