# A122169 (b-file synthesized from sequence entry) 1 1 2 1 3 2 4 4 5 8 6 16 7 32 8 4 9 68 10 136 11 272 12 4 13 548 14 1096 15 2192 16 4 17 4388 18 8776 19 17552 20 4 21 35108 22 70216 23 140432 24 4 25 280868 26 561736 27 1123472 28 4 29 2246948 30 4493896 31 8987792 32 4 33 17975588 34 35951176 35 71902352 36 4 37 143804708 38 287609416 39 575218832 40 4