865928domain: NAppears in sequencesa(n) = (p^2*(p+1)*(p+2))/6 where p is n-th prime.at n=14A098741Bisection of A002417.at n=23A100430Numbers n such that the sum_i (d_i^i) of the i-th powers of their sorted divisors d_1< d_2<...< n is prime.at n=22A180852