# A172309 (b-file synthesized from sequence entry) 0 0 1 1 2 2 3 2 4 2 5 4 6 4 7 2 8 4 9 6 10 6 11 8 12 6 13 12 14 10 15 6 16 4 17 6 18 10 19 12 20 10 21 14 22 14 23 16 24 16 25 18 26 14 27 16 28 12 29 20 30 22 31 8 32 8 33 16 34 18 35 16 36 10 37 16 38 20 39 24 40 26 41 36 42 24 43 32 44 30 45 40 46 28 47 24