# A325786 (b-file synthesized from sequence entry) 1 1 2 1 3 2 4 2 5 4 6 7 7 12 8 19 9 41 10 71 11 141 12 255 13 509 14 924 15 1882 16 3395 17 6838 18 12715 19 25233 20 47049