# A031501 (b-file synthesized from sequence entry) 0 1 1 2 2 3 3 3 4 4 5 6 6 4 7 5 8 7 9 9 10 5 11 6 12 8 13 10 14 12 15 6 16 7 17 9 18 12 19 14 20 16 21 7 22 8 23 10 24 13 25 15 26 18 27 21 28 8 29 9 30 11 31 14 32 17 33 19 34 22 35 25 36 9 37 10 38 12 39 15 40 18 41 21 42 24 43 27 44 30 45 10 46 11 47 13 48 16 49 20 50 22 51 25 52 29 53 32 54 35 55 11 56 12 57 14 58 17 59 21 60 24 61 27 62 30 63 34 64 37 65 40 66 12 67 13 68 15 69 18 70 22 71 25 72 28