# A011600 (b-file synthesized from sequence entry) 0 0 1 1 2 -1 3 1 4 1 5 -1 6 -1 7 1 8 -1 9 1 10 1 11 1 12 1 13 -1 14 -1 15 -1 16 1 17 1 18 -1 19 -1 20 -1 21 1 22 -1 23 1 24 -1 25 1 26 1 27 1 28 1 29 1 30 1 31 1 32 -1 33 1 34 -1 35 -1 36 1 37 1 38 1 39 -1 40 1 41 1 42 -1 43 -1 44 1 45 -1 46 -1 47 -1 48 1 49 1 50 -1 51 1 52 -1 53 -1 54 -1 55 -1 56 -1 57 -1 58 -1 59 1 60 -1 61 1 62 -1 63 1 64 1 65 1 66 -1 67 -1 68 1 69 1 70 1 71 -1 72 -1 73 -1 74 -1 75 1 76 -1 77 1 78 1 79 -1 80 -1