# A224081 (b-file synthesized from sequence entry) 1 1 2 4 3 5 4 6 5 11 6 12 7 18 8 39 9 51 10 98 11 124 12 170 13 179 14 208 15 248 16 838 17 919 18 939 19 1233 20 1352 21 2177 22 3070 23 10714