数字对称数的二次幂（第一分册）

上篇∣数字对称数的二次幂是数字对称数的存在性
第一章  数字对称数（即回文数）的定义 ························································· 3
第二章  梯形数——从三角形数到梯形数 ····················································· 5
第三章  数字对称数的二次幂是数字对称数的判定 ······································ 10
第四章  数字对称数的二次幂是数字对称数的只有十二大类 ························ 11
第五章  为什么数字对称数的二次幂是数字对称数的只有十二大类 ·············· 13
第一节  幂中第i 位的最大数字与最小数字 ··················································· 13
第二节  数字对称数的二次幂不是数字对称数的判定法 ······························· 15
第三节  确定数字对称数的二次幂a2除十二大类外都不是数字对称数 ·····18
下篇∣数字对称数的二次幂是数字对称数的归类
第六章  归类框架 ······················································································ 53
第七章  数字对称数的乘方是数字对称数的类型之十大类 ···························· 54
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