# A037891 (b-file synthesized from sequence entry) 1 0 2 0 3 0 4 0 5 1 6 0 7 1 8 2 9 3 10 2 11 1 12 0 13 1 14 2 15 3 16 2 17 1 18 0 19 1 20 4 21 3 22 2 23 1 24 0 25 1 26 0 27 1 28 2 29 3 30 1 31 0 32 1 33 2 34 3 35 1 36 0 37 1 38 2 39 3 40 1 41 0 42 1 43 2 44 3 45 1 46 0 47 1 48 2 49 3 50 2 51 1 52 0 53 1 54 2 55 2 56 1 57 0 58 1 59 2 60 2 61 1 62 0 63 1 64 2 65 2 66 1 67 0 68 1 69 2 70 2 71 1 72 0 73 1 74 2 75 3 76 2 77 1 78 0 79 1 80 3 81 2 82 1 83 0 84 1 85 3 86 2 87 1 88 0 89 1 90 3