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"translatedContent": "<p>给你一个整数 <code>n</code> ,求恰由 <code>n</code> 个节点组成且节点值从 <code>1</code> 到 <code>n</code> 互不相同的 <strong>二叉搜索树</strong> 有多少种?返回满足题意的二叉搜索树的种数。</p>\n\n<p> </p>\n\n<p><strong>示例 1</strong></p>\n<img alt=\"\" src=\"https://assets.leetcode.com/uploads/2021/01/18/uniquebstn3.jpg\" style=\"width: 600px; height: 148px;\" />\n<pre>\n<strong>输入:</strong>n = 3\n<strong>输出:</strong>5\n</pre>\n\n<p><strong>示例 2</strong></p>\n\n<pre>\n<strong>输入:</strong>n = 1\n<strong>输出:</strong>1\n</pre>\n\n<p> </p>\n\n<p><strong>提示:</strong></p>\n\n<ul>\n\t<li><code>1 <= n <= 19</code></li>\n</ul>\n",
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