# A140781 (b-file synthesized from sequence entry) 0 1 1 2 2 19 3 188 4 1861 5 18422 6 182359 7 1805168 8 17869321 9 176888042 10 1751011099 11 17333222948 12 171581218381 13 1698478960862 14 16813208390239 15 166433604941528 16 1647522841025041 17 16308794805308882 18 161440425212063779 19 1598095457315328908 20 15819514147941225301