# A097966 (b-file synthesized from sequence entry) 1 1 2 2 3 3 4 1 5 2 6 4 7 2 8 3 9 4 10 1 11 3 12 4 13 2 14 4 15 6 16 2 17 5 18 6 19 3 20 5 21 7 22 3 23 7 24 9 25 4 26 7 27 10 28 4 29 8 30 11 31 6 32 10 33 14 34 6 35 11 36 15 37 7 38 12 39 17 40 9 41 16 42 22 43 10 44 17 45 23 46 11 47 19 48 26 49 14 50 24 51 33 52 15 53 26 54 36 55 17 56 29 57 40 58 21 59 37 60 51 61 23 62 40 63 55 64 26 65 45 66 62 67 33 68 57 69 77 70 35 71 61 72 83