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0, 0, 1, 1, 2, 2, 3, 4, 6, 8, 9, 9, 10, 11, 11, 13, 14, 14, 16, 17, 18, 20, 21, 22, 23, 24, 24, 25, 26, 28, 30, 31, 33, 35, 35, 37, 39, 40, 43, 46, 46, 47, 48, 48, 49, 49, 50, 51, 52, 53, 54, 55, 55, 56, 56, 57, 58, 58, 59, 59, 60, 61, 61, 62, 63, 64, 64, 66, 67, 67, 68, 69, 69
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