s1 = {2, 7, 5, 11, 13, 17, 3, 19, 29, 23, 37, 43, 53, 41, 31, 47, 73, 61, 71, 83, 89, 59}s2 = {9, 14, 25, 38, 55, 58, 77, 106, 129, 166, 209, 262, 303, 334, 381, 454, 515, 586, 669, 758, 817} Find next terms!Does each prime appear in s1? Zak Seidovzakseidov at yahoo.com