# A083770 (b-file synthesized from sequence entry) 1 3 2 13 3 97 4 1153 5 18433 6 184321 7 737281 8 22118401 9 575078401 10 12651724801 11 303641395201 12 4250979532801 13 212548976640001 14 8927057018880001 15 160687026339840001 16 10283969685749760001 17 473062605544488960001