# A291985 (b-file synthesized from sequence entry) 0 1 1 -1 2 0 3 -1 4 1 5 -1 6 2 7 -1 8 2 9 -3 10 2 11 -3 12 3 13 -3 14 4 15 -4 16 5 17 -5 18 5 19 -6 20 6 21 -7 22 7 23 -7 24 9 25 -9 26 9 27 -10 28 10 29 -11 30 12 31 -12 32 13 33 -14 34 14 35 -15 36 16 37 -16 38 17 39 -18 40 19 41 -20 42 20 43 -21 44 22 45 -23 46 24 47 -24 48 26 49 -27 50 27 51 -29 52 29 53 -30 54 32 55 -32 56 34 57 -35 58 35 59 -37 60 38 61 -39 62 40 63 -41 64 43