# A103877 (b-file synthesized from sequence entry) 0 1 1 3 2 4 3 6 4 7 5 9 6 10 7 12 8 13 9 15 10 18 11 21 12 16 13 24 14 19 15 27 16 22 17 30 18 25 19 33 20 28 21 31 22 34 23 36 24 37 25 39 26 40 27 42 28 43 29 45 30 48 31 51 32 54 33 57 34 46 35 60 36 49 37 63 38 52 39 66 40 55 41 58 42 61 43 64