# A162057 (b-file synthesized from sequence entry) 1 2 2 6 3 13 4 34 5 86 6 233 7 652 8 1888 9 5683 10 17526 11 55868 12 182024 13 609103 14 2081152 15 7268823 16 25891230 17 93983793 18 347398900 19 1306005890 20 4991876362 21 19377811110 22 76372139937 23 305348766558 24 1238006401576 25 5086973436072