1 - 7 - 19 -37 - 61 - 91 - 127 - 271 - 331 - 397 - 469 - 547 - 631 - 721 - 817 - 919 - ...* عدد مسدسي,* سداسي سحري,
The first few centered hexagonal numbers are ::1, 7, 19, 37, 61, 91, 127, 169, 217, 271, 331, 397, 469, 547, 631, 721, 817, 919.