# A011628 (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