# A047421 (b-file synthesized from sequence entry) 0 0 1 1 2 2 3 3 4 4 5 5 6 6 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 16 15 17 16 18 17 19 18 20 19 21 20 22 21 24 22 25 23 26 24 27 25 28 26 29 27 30 28 32 29 33 30 34 31 35 32 36 33 37 34 38 35 40 36 41 37 42 38 43 39 44 40 45 41 46 42 48 43 49 44 50 45 51 46 52 47 53 48 54 49 56 50 57 51 58 52 59 53 60 54 61 55 62 56 64 57 65 58 66 59 67 60 68 61 69 62 70 63 72 64 73 65 74 66 75