# A283502 (b-file synthesized from sequence entry) 1 1 2 2 3 2 4 4 5 3 6 7 7 6 8 13 9 13 10 23 11 25 12 47 13 51 14 87 15 110 16 176 17 214 18 342 19 424 20 676 21 841 22 1253 23 1660