# A047256 (b-file synthesized from sequence entry) 1 0 2 1 3 2 4 3 5 5 6 6 7 7 8 8 9 9 10 11 11 12 12 13 13 14 14 15 15 17 16 18 17 19 18 20 19 21 20 23 21 24 22 25 23 26 24 27 25 29 26 30 27 31 28 32 29 33 30 35 31 36 32 37 33 38 34 39 35 41 36 42 37 43 38 44 39 45 40 47 41 48 42 49 43 50 44 51 45 53 46 54 47 55 48 56 49 57 50 59 51 60 52 61 53 62 54 63 55 65 56 66 57 67