# A043274 (b-file synthesized from sequence entry) 1 0 2 1 3 2 4 3 5 4 6 5 7 6 8 7 9 8 10 9 11 10 12 11 13 12 14 13 15 14 16 2 17 4 18 6 19 8 20 10 21 12 22 14 23 16 24 18 25 20 26 22 27 24 28 26 29 28 30 2 31 3 32 4 33 5 34 6 35 7 36 8 37 9 38 10 39 11 40 12 41 13 42 14 43 15 44 16 45 4 46 5 47 6 48 7 49 8 50 9 51 10 52 11 53 12 54 13 55 14 56 15 57 16 58 17 59 18 60 6 61 7 62 8 63 9 64 10 65 11 66 12 67 13 68 14 69 15 70 16 71 17 72 18