# A200029 (b-file synthesized from sequence entry) 0 1 1 1 2 4 3 18 4 89 5 483 6 2765 7 16441 8 100553 9 628496 10 3996864 11 25778259 12 168216339 13 1108586737 14 7367790912 15 49326025289 16 332342006775 17 2251828394103 18 15333892329935 19 104883312564708 20 720280904233625 21 4964456716210287 22 34329831032740121 23 238109354053880367