# A010751 (b-file synthesized from sequence entry) 0 0 1 1 2 0 3 -1 4 0 5 1 6 2 7 1 8 0 9 -1 10 -2 11 -1 12 0 13 1 14 2 15 3 16 2 17 1 18 0 19 -1 20 -2 21 -3 22 -2 23 -1 24 0 25 1 26 2 27 3 28 4 29 3 30 2 31 1 32 0 33 -1 34 -2 35 -3 36 -4 37 -3 38 -2 39 -1 40 0 41 1 42 2 43 3 44 4 45 5 46 4 47 3 48 2 49 1 50 0 51 -1 52 -2 53 -3 54 -4 55 -5 56 -4 57 -3 58 -2 59 -1 60 0 61 1 62 2 63 3 64 4 65 5 66 6 67 5 68 4 69 3 70 2 71 1 72 0 73 -1 74 -2 75 -3 76 -4 77 -5 78 -6 79 -5 80 -4