# A033557 (b-file synthesized from sequence entry) 3 4 4 5 5 7 6 7 7 9 8 9 9 11 10 13 11 15 12 13 13 15 14 15 15 17 16 19 17 21 18 19 19 21 20 21 21 23 22 25 23 27 24 25 25 27 26 29 27 31 28 33 29 35 30 31 31 33 32 33 33 35 34 37 35 39 36 41 37 43 38 39 39 41 40 43 41 45 42 43 43 45 44 45 45 47 46 49 47 51 48 49 49 51 50 53 51 55 52 57 53 59 54 55 55 57 56 59 57 61 58 63