# A186645 (b-file synthesized from sequence entry) 1 3 2 7 3 11 4 13 5 19 6 29 7 31 8 37 9 71 10 127 11 379 12 491 13 2047 14 2633 15 2659 16 3373 17 8191 18 13249 19 26893 20 70687 21 74597 22 87211 23 131071 24 184511 25 524287 26 642581 27 1897121 28 2676301 29 2703739 30 8388607 31 15456151 32 52368101 33 102785339 34 126233057 35 193481677 36 536870911 37 856645921 38 1552107133 39 2001907169 40 2147483647 41 2935442621 42 3668158729 43 6004262437