# A293868 (b-file synthesized from sequence entry) 1 1 2 2 3 5 4 12 5 32 6 76 7 212 8 412 9 418 10 2305 11 5118 12 5516 13 49014 14 104902 15 261530 16 478638 17 1016483 18 2148745 19 4532050 20 9534639 21 20011894 22 41896466 23 87553703 24 182654692 25 380294962 26 790667861 27 1641499854 28 3403314157 29 7047273636 30 15889803538