# A280558 (b-file synthesized from sequence entry) 1 1 2 2 3 3 4 6 5 10 6 12 7 18 8 34 9 42 10 61 11 76 12 85 13 94 14 178 15 348 16 451 17 1123 18 1455 19 2234 20 4519 21 7502 22 16036 23 24216 24 156522