# A143987 (b-file synthesized from sequence entry) 0 1 1 -1 2 1 3 1 4 2 5 0 6 -1 7 3 8 0 9 -1 10 1 11 -4 12 0 13 4 14 1 15 -1 16 5 17 0 18 -10 19 -5 20 2 21 1 22 -6 23 0 24 20 25 15 26 -12 27 -9 28 -1 29 7 30 0 31 -35 32 -35 33 42 34 63 35 9 36 1 37 -8 38 0 39 56 40 70 41 -112 42 -252 43 -72 44 50 45 -1 46 9 47 0 48 -84 49 -126 50 252 51 756 52 324 53 -450 54 -267 55 1 56 -10 57 0 58 120 59 210 60 -504 61 -1890 62 -1080 63 2250 64 2670 65 413