# A064475 (b-file synthesized from sequence entry) 2 0 3 0 4 0 5 1 6 2 7 2 8 2 9 2 10 3 11 4 12 4 13 4 14 5 15 6 16 6 17 6 18 6 19 6 20 7 21 8 22 9 23 9 24 10 25 11 26 11 27 11 28 12 29 13 30 13 31 13 32 13 33 14 34 15 35 15 36 15 37 16 38 17 39 18 40 18 41 18 42 18 43 19 44 20 45 20 46 20 47 20 48 20 49 20 50 21 51 22 52 22 53 23 54 24 55 24 56 24 57 25 58 26 59 26 60 26 61 27 62 28 63 28 64 28 65 28 66 28 67 29 68 30 69 31 70 31 71 31