# A024494 (b-file synthesized from sequence entry) 1 1 2 2 3 3 4 5 5 10 6 21 7 43 8 86 9 171 10 341 11 682 12 1365 13 2731 14 5462 15 10923 16 21845 17 43690 18 87381 19 174763 20 349526 21 699051 22 1398101 23 2796202 24 5592405 25 11184811 26 22369622 27 44739243 28 89478485 29 178956970 30 357913941 31 715827883 32 1431655766 33 2863311531 34 5726623061 35 11453246122