# A003270 (b-file synthesized from sequence entry) 1 1 2 2 3 3 4 1 5 3 6 2 7 3 8 1 9 2 10 3 11 2 12 1 13 3 14 1 15 2 16 1 17 3 18 2 19 3 20 1 21 2 22 3 23 2 24 1 25 2 26 3 27 1 28 2 29 1 30 3 31 2 32 3 33 1 34 3 35 2 36 1 37 3 38 1 39 2 40 3 41 2 42 1 43 2 44 3 45 1 46 3 47 2 48 1 49 3 50 1 51 2 52 1 53 3 54 2 55 3 56 1 57 2 58 3 59 2 60 1 61 2 62 3 63 1 64 2 65 1 66 3 67 2 68 3 69 1