# A137857 (b-file synthesized from sequence entry) 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 53 12 106 13 298 14 5790 15 7594 16 14650 17 15576 18 41612 19 66049 20 150564 21 154476 22 154484