# A005474 (b-file synthesized from sequence entry) 1 1 2 1 3 1 4 1 5 1 6 3 7 1 8 3 9 5 10 3 11 3 12 7 13 3 14 5 15 7 16 3 17 3 18 5 19 9 20 7 21 3 22 5 23 5 24 15 25 9 26 19 27 5 28 13 29 9 30 9 31 5 32 19 33 9 34 5 35 7 36 15 37 13 38 9 39 9 40 15 41 25 42 13 43 9 44 27 45 19 46 15 47 21 48 7 49 13 50 11 51 23 52 9 53 13 54 13 55 11 56 33 57 15 58 25 59 23 60 15 61 13