# A281493 (b-file synthesized from sequence entry) 1 1 2 2 3 3 4 4 5 5 6 8 7 11 8 13 9 19 10 46 11 70 12 98 13 152 14 187 15 364 16 425 17 601 18 665 19 1837 20 2267 21 7691 22 10246 23 19988 24 54290 25 58571 26 181996