# A374527 (b-file synthesized from sequence entry) 1 1 2 21 3 85 4 151 5 227 6 341 7 1365 8 5461 9 14563 10 21845 11 87381 12 349525 13 932067 14 1398101 15 5592405 16 22369621 17 26512143 18 39768215 19 59652323 20 89478485 21 357913941 22 1431655765 23 3817748707 24 5726623061