# A047975 (b-file synthesized from sequence entry) 0 2 1 4 2 2 3 4 4 6 5 6 6 4 7 2 8 4 9 4 10 2 11 6 12 4 13 6 14 4 15 4 16 6 17 4 18 2 19 2 20 4 21 2 22 4 23 6 24 6 25 10 26 8 27 4 28 4 29 4 30 2 31 4 32 4 33 2 34 6 35 6 36 4 37 2 38 8 39 6 40 12 41 2 42 2 43 8 44 10 45 2 46 12 47 6 48 4 49 4 50 14 51 2 52 18 53 16 54 6 55 10 56 4 57 8 58 4 59 2 60 8 61 12 62 2 63 8 64 12 65 10 66 6 67 2 68 6