# A129735 (b-file synthesized from sequence entry) 1 5 2 3 3 7 4 17 5 11 6 31 7 13 8 43 9 127 10 257 11 19 12 73 13 41 14 23 15 89 16 683 17 241 18 2731 19 8191 20 29 21 113 22 151 23 331 24 65537 25 43691 26 131071 27 37 28 109 29 174763 30 524287 31 61681 32 337 33 5419 34 397 35 2113 36 47 37 178481 38 2796203 39 97 40 673 41 251 42 601 43 1801 44 4051 45 53 46 157 47 1613 48 87211 49 262657 50 15790321 51 59 52 233 53 1103 54 2089 55 3033169 56 61 57 1321 58 715827883 59 2147483647