| 数据
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1, 3, 5, 7, 10, 13, 16, 20, 24, 28, 33, 38, 43, 49, 55, 61, 68, 75, 82, 90, 98, 106, 115, 124, 133, 143, 153, 163, 174, 185, 196, 208, 220, 232, 245, 258, 271, 285, 299, 313, 328, 343, 358, 374, 390, 406, 423, 440, 457, 475, 493, 511, 530, 549, 568, 588, 608, 628, 649, 670, 691, 713, 735, 757, 780, 803, 826, 850, 874, 898, 923, 948, 973, 999, 1025, 1051, 1078, 1105, 1132, 1160, 1188, 1216, 1245, 1274, 1303
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| 例子
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首先,写
…3.6.9.12.15.18.21.24.24.(3*i)
1..3..6….10….15….21….(三角形)
然后将每个数字替换为其排名,其中关系通过三角形前的排名3i来解决:
a=(2,4,5,7,8,10,11,13,14,15,….)=A186354号
b=(1,3,6,9,12,16,21,26,31,37,…)=A186355号.
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