# A131350 (b-file synthesized from sequence entry) 0 1 1 2 2 1 3 1 4 4 5 1 6 2 7 4 8 6 9 1 10 1 11 8 12 9 13 8 14 1 15 2 16 7 17 20 18 16 19 10 20 1 21 1 22 12 23 24 24 40 25 25 26 12 27 1 28 2 29 10 30 42 31 60 32 70 33 36 34 14 35 1 36 1 37 16 38 46 39 112 40 125 41 112 42 49 43 16 44 1 45 2 46 13 47 72 48 148 49 252 50 231 51 168 52 64 53 18 54 1