# A146821 (b-file synthesized from sequence entry) 1 1 2 1 3 1 4 1 5 1 6 1 7 3 8 17 9 41 10 79 11 223 12 801 13 2615 14 9741 15 48585 16 263431 17 1569087 18 9472069 19 65995437 20 509339343 21 4406836165