# A222204 (b-file synthesized from sequence entry) 0 1 1 1 2 3 3 18 4 54 5 1140 6 13903 7 99051 8 13049563 9 360783593 10 6044482889 11 4738211572702 12 303872744726644 13 11986520595161863 14 54755153078468134960 15 8217125138015950451626 16 764291947227525464744293 17 20119942924108379011391597989 18 7095967027221343377167292602835 19 1558052539448513320447263528275071