# A139204 (b-file synthesized from sequence entry) 1 6 2 15 3 17 4 18 5 21 6 27 7 29 8 30 9 37 10 47 11 50 12 64 13 125 14 251 15 602 16 611 17 1184 18 1468 19 5570 20 10679 21 15798 22 21237