# A135392 (b-file synthesized from sequence entry) 1 -1 2 -1 3 1 4 1 5 -1 6 2 7 3 8 1 9 -1 10 3 11 6 12 4 13 1 14 -1 15 4 16 10 17 10 18 5 19 1 20 -1 21 5 22 15 23 20 24 15 25 6 26 1 27 -1 28 6 29 21 30 35 31 35 32 21 33 7 34 1 35 -1 36 7 37 28 38 56 39 70 40 56 41 28 42 8 43 1 44 -1 45 8 46 36 47 84 48 126 49 126 50 84 51 36 52 9 53 1 54 -1 55 9 56 45 57 120 58 210 59 252 60 210 61 120 62 45 63 10 64 1 65 -1 66 10 67 55 68 165 69 330 70 462 71 462 72 330 73 165 74 55 75 11 76 1