# A373275 (b-file synthesized from sequence entry) 1 1 2 1 3 5 4 5 5 17 6 29 7 65 8 117 9 261 10 497 11 1025 12 2017 13 4097 14 8129 15 16405 16 32629 17 65537 18 130845 19 262145 20 523765 21 1048645 22 2096129 23 4194305 24 8386641 25 16777233 26 33550337 27 67109125 28 134209477 29 268435457 30 536855053 31 1073741825 32 2147450741 33 4294968325 34 8589869057