# A010443 (b-file synthesized from sequence entry) 1 0 2 1 3 2 4 4 5 5 6 8 7 9 8 10 9 16 10 18 11 20 12 21 13 23 14 25 15 31 16 32 17 33 18 36 19 37 20 39 21 40 22 41 23 42 24 43 25 45 26 46 27 49 28 50 29 51 30 57 31 59 32 61 33 62 34 64 35 66 36 72 37 73 38 74 39 77 40 78 41 80 42 81