# A281817 (b-file synthesized from sequence entry) 0 0 1 1 2 1 3 4 4 19 5 116 6 871 7 7764 8 80179 9 941812 10 12403711 11 181056404 12 2901669739 13 50656307508 14 956922611191 15 19449063226324 16 423206168046499 17 9816562636678004 18 241805428075379311 19 6303793707327637524 20 173401707643671303259