# A073820 (b-file synthesized from sequence entry) 1 1 2 2 3 3 4 2 5 3 6 2 7 3 8 4 9 5 10 4 11 5 12 6 13 7 14 5 15 6 16 7 17 8 18 9 19 8 20 9 21 10 22 10 23 11 24 12 25 13 26 10 27 11 28 12 29 13 30 14 31 15 32 16 33 15 34 16 35 17 36 17 37 18 38 14 39 15 40 16 41 17 42 18 43 19 44 20 45 21 46 22 47 23 48 24 49 25 50 20 51 21 52 22 53 23 54 24 55 25 56 26 57 27 58 24 59 25 60 26 61 27 62 28 63 29 64 30 65 31 66 32 67 33 68 34 69 32 70 33 71 31 72 30 73 31 74 32 75 33 76 34