927368domain: NAppears in sequencesSum(prime(k),k=1..n)^2-1.at n=23A092780a(n) = floor(phi^n/n), where phi = golden ratio = (1+sqrt(5))/2.at n=35A172128a(n) = n^4 + 4*n^2 + 3.at n=31A304726