# A159970 (b-file synthesized from sequence entry) 0 0 1 3 2 1 3 5 4 4 5 10 6 15 7 9 8 8 9 6 10 14 11 13 12 18 13 23 14 28 15 2 16 11 17 19 18 7 19 16 20 20 21 21 22 26 23 25 24 24 25 12 26 30 27 31 28 29 29 34 30 39 31 33 32 17 33 35 34 38 35 22 36 36 37 27 38 32 39 41 40 40 41 43 42 46 43 45 44 50 45 55 46 60 47 44 48 48 49 51 50 49 51 53 52 37 53 58 54 63 55 42 56 56 57 54 58 61 59 68 60 66 61 71 62 76 63 65 64 59 65 47 66 70 67 64