157521domain: NAppears in sequencesa(n) = a(n-1) + 3*a(n-2) -2*a(n-3) - 2*a(n-4), where a(0) = 0, a(1) = -1, a(2) = 1, a(3) = 1.at n=23A295726a(n) = a(n-1) + 3*a(n-2) -2*a(n-3) - 2*a(n-4), where a(0) = -1, a(1) = -1, a(2) = -1, a(3) = 1.at n=23A295732Numbers k such that k^3 +- 2 and k +- 2 are prime.at n=25A329727