# A217263 (b-file synthesized from sequence entry) 1 21 2 33 3 51 4 63 5 93 6 111 7 133 8 177 9 201 10 219 11 247 12 253 13 327 14 411 15 427 16 549 17 573 18 589 19 657 20 679 21 687 22 763 23 793 24 813 25 833 26 889 27 993 28 1077 29 1081 30 1119 31 1127 32 1243 33 1339 34 1347 35 1401 36 1411 37 1497 38 1501 39 1603 40 1623 41 1651 42 1671 43 1821 44 1839 45 1843 46 1851 47 1981 48 2009 49 2019