# A051068 (b-file synthesized from sequence entry) 0 0 1 1 2 2 3 2 4 3 5 4 6 4 7 5 8 6 9 7 10 8 11 9 12 9 13 10 14 11 15 11 16 12 17 13 18 14 19 15 20 16 21 16 22 17 23 18 24 18 25 19 26 20 27 20 28 21 29 22 30 22 31 23 32 24 33 24 34 25 35 26 36 27 37 28 38 29 39 29 40 30 41 31 42 31 43 32 44 33 45 34 46 35 47 36 48 36 49 37 50 38 51 38 52 39 53 40 54 40 55 41 56 42 57 42 58 43 59 44 60 44 61 45 62 46 63 47 64 48 65 49 66 49