# A220236 (b-file synthesized from sequence entry) 1 9 2 51 3 231 4 975 5 3999 6 16191 7 65151 8 261375 9 1047039 10 4191231 11 16771071 12 67096575 13 268410879 14 1073692671 15 4294868991 16 17179672575 17 68719083519 18 274877120511 19 1099510054911 20 4398043365375 21 17592179752959 22 70368731594751 23 281474951544831 24 1125899856510975