# A136851 (b-file synthesized from sequence entry) 1 3 2 7 3 13 4 23 5 37 6 59 7 97 8 107 9 241 10 251 11 613 12 911 13 937 14 983 15 997 16 1223 17 1381 18 1499 19 1621 20 1979 21 2281 22 2399 23 2521 24 2663 25 2677 26 3299 27 3361 28 3623 29 3637 30 3671 31 3697 32 3803 33 3889 34 3911 35 4273 36 4451 37 4729 38 4787 39 4909 40 5003 41 5821 42 5927 43 6229 44 6791 45 6793 46 6827 47 6829