# A166548 (b-file synthesized from sequence entry) 0 1 1 2 2 1 3 2 4 2 5 1 6 4 7 6 8 4 9 1 10 2 11 4 12 6 13 4 14 1 15 4 16 10 17 16 18 14 19 6 20 1 21 4 22 12 23 22 24 24 25 16 26 6 27 1 28 8 29 28 30 56 31 70 32 56 33 28 34 8 35 1 36 2 37 8 38 28 39 56 40 70 41 56 42 28 43 8 44 1 45 4 46 18 47 64 48 140 49 196 50 182 51 112 52 44 53 10 54 1 55 4 56 20 57 74 58 176 59 280 60 308 61 238 62 128 63 46 64 10 65 1