# A028765 (b-file synthesized from sequence entry) 1 2 2 3 3 5 4 6 5 7 6 8 7 10 8 11 9 14 10 15 11 18 12 19 13 20 14 21 15 22 16 23 17 24 18 26 19 27 20 28 21 30 22 31 23 32 24 33 25 34 26 35 27 37 28 38 29 39 30 41 31 42 32 43 33 44 34 45 35 46 36 47 37 50 38 51