# A048263 (b-file synthesized from sequence entry) 1 1 2 2 3 3 4 4 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 14 13 15 14 16 15 19 16 20 17 21 18 23 19 24 20 25 21 26 22 27 23 28 24 31 25 32 26 33 27 36 28 38 29 39 30 40 31 43 32 44 33 45 34 48 35 49 36 52 37 56 38 57 39 60 40 62 41 65 42 68 43 69 44 77 45 80 46 81 47 85 48 93 49 121