# A074857 (b-file synthesized from sequence entry) 1 2 2 3 3 17 4 19 5 23 6 31 7 37 8 43 9 53 10 59 11 137 12 139 13 151 14 157 15 179 16 181 17 191 18 197 19 199 20 211 21 307 22 317 23 337 24 347 25 367 26 397 27 599 28 1423 29 1433 30 1453 31 1483 32 1493 33 1523 34 1543 35 1583 36 1613 37 1693 38 1723 39 1733 40 1753 41 1759 42 1777 43 1783 44 1787 45 1789 46 1801 47 1811 48 1823 49 1831 50 1847