# A104581 (b-file synthesized from sequence entry) 0 1 1 -1 2 1 3 -2 4 2 5 -2 6 3 7 -3 8 3 9 -4 10 4 11 -4 12 5 13 -5 14 5 15 -6 16 6 17 -6 18 7 19 -7 20 7 21 -8 22 8 23 -8 24 9 25 -9 26 9 27 -10 28 10 29 -10 30 11 31 -11 32 11 33 -12 34 12 35 -12 36 13 37 -13 38 13 39 -14 40 14 41 -14 42 15 43 -15 44 15 45 -16 46 16 47 -16 48 17 49 -17 50 17 51 -18 52 18 53 -18 54 19 55 -19 56 19 57 -20 58 20 59 -20 60 21 61 -21 62 21 63 -22 64 22 65 -22 66 23 67 -23 68 23 69 -24 70 24 71 -24 72 25 73 -25 74 25 75 -26 76 26 77 -26