# A351707 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 1 4 1 5 3 6 7 7 15 8 31 9 65 10 147 11 373 12 1051 13 3157 14 9761 15 30573 16 96965 17 313999 18 1049719 19 3654303 20 13284783 21 50268837 22 196638987 23 789611161 24 3238765671 25 13540348965 26 57710600953 27 251163156089 28 1118308871001 29 5100825621147 30 23838465463447 31 114044805729151