# A073750 (b-file synthesized from sequence entry) 0 0 1 0 2 0 3 1 4 1 5 1 6 3 7 3 8 3 9 4 10 4 11 4 12 7 13 7 14 7 15 8 16 8 17 8 18 10 19 10 20 10 21 11 22 11 23 11 24 15 25 15 26 15 27 16 28 16 29 16 30 18 31 18 32 18 33 19 34 19 35 19 36 22 37 22 38 22 39 23 40 23 41 23 42 25 43 25 44 25 45 26 46 26 47 26 48 31 49 31 50 31 51 32 52 32 53 32 54 34 55 34 56 34 57 35 58 35 59 35 60 38 61 38 62 38 63 39 64 39 65 39 66 41 67 41 68 41 69 42 70 42 71 42