2024-04-23, Terminated index only 1 : 307 sequences 2 2 1 1 3 2 3 1 1 7 2 5 2 2 31 2 7 3 3 127 2 13 4 4 8191 2 17 6 6 131071 2 19 6 6 524287 2 31 10 10 2147483647 2 61 19 19 2305843009213693951 2 89 27 27 618970019642690137449562111 2 107 33 33 162259276829213363391578010288127 2 127 39 39 170141183460469231731687303715884105727 2 521 157 157 2^521-1 3 3 2 2 13 3 7 4 4 1093 3 13 6 6 797161 3 71 34 34 3754733257489862401973357979128773 3 103 49 49 6957596529882152968992225251835887181478451547013 5 3 2 2 31 5 7 5 5 19531 5 11 8 8 12207031 5 13 9 9 305175781 5 47 33 33 177635683940025046467781066894531 5 127 89 89 (5^127-1)/4 5 149 104 104 (5^149-1)/4 5 181 126 126 (5^181-1)/4 7 5 4 4 2801 7 13 11 11 16148168401 7 131 110 110 (7^131-1)/6 7 149 126 126 (7^149-1)/6 11 17 17 17 50544702849929377 11 19 19 19 6115909044841454629 11 73 76 76 (11^73-1)/10 11 139 144 144 (11^139-1)/10 13 5 5 5 30941 13 7 7 7 5229043 13 137 152 152 (13^137-1)/12 17 3 3 3 307 17 5 5 5 88741 17 7 8 8 25646167 17 11 13 13 2141993519227 17 47 57 57 (17^47-1)/16 17 71 87 87 (17^71-1)/16 18 2 3 3 523 18 14 18 18 749592419975463223 19 19 24 24 109912203092239643840221 19 31 39 39 243270318891483838103593381595151809701 19 47 59 59 (19^47-1)/18 19 59 75 75 (19^59-1)/18 19 61 77 77 (19^61-1)/18 19 107 136 136 (19^107-1)/18 21 1 2 2 11 21 9 12 12 595686490411 21 13 18 18 115854226785351611 23 5 6 6 292561 28 2 3 3 983 29 5 6 6 732541 30 4 7 7 2119531 30 14 22 22 1315261613208745764481 31 7 9 9 917087137 31 17 24 24 751670559138758105956097 31 31 45 45 568972471024107865287021434301977158534824481 35 1 2 2 13 37 13 19 19 6765811783780036261 37 71 110 110 (37^71-1)/36 38 2 4 4 1223 39 1 2 2 17 41 3 4 4 1723 41 83 133 133 (41^83-1)/40 42 34 56 56 3876286620...03 43 5 7 7 3500201 43 13 20 20 40911050578149780601 48 2 4 4 4339 50 1 2 2 43 52 2 4 4 2969 53 11 18 18 178250690949465223 53 31 52 52 (53^31-1)/52 53 41 69 69 (53^41-1)/52 55 1 2 2 17 57 1 2 2 23 59 3 4 4 3541 59 13 22 22 1809873235795386729241 60 2 4 4 8893 60 4 8 8 35330011 61 7 11 11 52379047267 61 37 65 65 (61^37-1)/60 63 1 2 2 41 63 49 89 89 1103438636...41 65 1 2 2 19 66 26 48 48 467595319628941237429859217616263661589962347391 67 19 33 33 751410597400064602523400427092397 70 4 8 8 43805011 71 3 4 4 5113 71 31 56 56 (71^31-1)/70 71 41 75 75 (71^41-1)/70 73 5 8 8 28792661 73 7 12 12 153436090543 74 2 4 4 4373 74 62 116 116 8238491902...73 77 1 2 2 19 79 5 8 8 39449441 83 5 8 8 48037081 85 1 2 2 23 89 3 4 4 8011 89 7 12 12 502628805631 89 43 82 82 (89^43-1)/88 89 47 90 90 (89^47-1)/88 89 71 137 137 (89^71-1)/88 90 38 75 75 5018200998...57 97 17 32 32 62065212901958868055012327674641 97 37 72 72 (97^37-1)/96 98 1 2 2 73 98 7 15 15 114958810847863 98 34 68 68 6708498239...83 101 3 5 5 10303 102 38 77 77 4642528608...93 103 19 37 37 1719123581448138027562643544243028633 107 17 33 33 298001434996696772340986314384801 109 17 33 33 400706797255068758036954693985521 111 1 2 2 41 111 37 76 76 2574437339...41 113 23 46 46 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