# A058643 (b-file synthesized from sequence entry) -1 1 0 0 1 1 2 -1 3 1 4 1 5 0 6 0 7 -1 8 2 9 2 10 0 11 1 12 -2 13 1 14 3 15 0 16 1 17 -2 18 3 19 5 20 0 21 2 22 -3 23 3 24 6 25 0 26 2 27 -5 28 5 29 8 30 0 31 5 32 -7 33 6 34 12 35 0 36 5 37 -8 38 10 39 16 40 0 41 7 42 -12 43 13 44 21 45 0 46 9 47 -15 48 16 49 28 50 0 51 12 52 -20 53 21 54 36 55 0 56 14 57 -25 58 27 59 46 60 0 61 20 62 -34 63 34 64 58 65 0 66 24 67 -41 68 44 69 75 70 0 71 33 72 -54