# A202866 (b-file synthesized from sequence entry) 1 2 2 1346 3 41852 4 491892 5 3436102 6 17232446 7 68544440 8 229551288 9 672922218 10 1773763178 11 4286374004 12 9634559948 13 20367690798 14 40850961478 15 78277647728 16 144113836976 17 256112415570 18 441063276882 19 738481048172 20 1205470385252