# A160909 (b-file synthesized from sequence entry) 1 2 2 3 3 10 4 28 5 198 6 520 7 3570 8 9348 9 64078 10 1149850 11 3010348 12 54018520 13 370248450 14 969323028 15 6643838878 16 119218851370 17 2139295485798 18 5600748293800 19 100501350283428 20 688846502588398 21 1803423556807920 22 32361122672259148