# A076275 (b-file synthesized from sequence entry) 1 1 2 5 3 17 4 21 5 65 6 85 7 257 8 273 9 341 10 1025 11 1365 12 4097 13 4161 14 4369 15 5461 16 16385 17 21845 18 65537 19 65793 20 69905 21 87381 22 262145 23 266305 24 349525 25 1048577 26 1049601 27 1118481 28 1398101 29 4194305 30 5592405 31 16777217 32 16781313 33 16843009 34 17043521 35 17895697 36 22369621