# A369785 (b-file synthesized from sequence entry) 0 1 1 1 2 5 3 32 4 252 5 2368 6 25865 7 321310 8 4461684 9 68329293 10 1142114917 11 20663072796 12 401891071075 13 8355591197398 14 184796601094141 15 4329517995684305 16 107060130166069859 17 2785248872828731497 18 76017344650249268158 19 2171058618712177987046