# A138866 (b-file synthesized from sequence entry) 1 33 2 77 3 3131 4 127127 5 819191 6 131071 7 524287 8 214647 9 230951 10 618111 11 162127 12 170727 13 686151 14 531127 15 104087 16 147007 17 446351 18 259071 19 190991 20 285607 21 478111 22 346551 23 281191 24 431471 25 448751 26 402511 27 854671 28 536207 29 521007 30 512311 31 746447 32 174887 33 129591 34 412527 35 814711 36 623151 37 127271 38 437791 39 924071 40 125047 41 299407 42 122247 43 315871 44 124871 45 202927 46 169751 47 316511