# A173633 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 2 4 2 5 3 6 4 7 4 8 6 9 6 10 7 11 8 12 8 13 10 14 10 15 11 16 12 17 12 18 14 19 14 20 15 21 16 22 16 23 18 24 18 25 19 26 20 27 20 28 22 29 22 30 23 31 24 32 24 33 26 34 26 35 27 36 28 37 28 38 30 39 30 40 31 41 32 42 32 43 34 44 34 45 35 46 36 47 36 48 38 49 38 50 39