此类定义了可从整数序列在线百科全书 (OEIS) 获得的各种数值常量以及其数据库中任何其他序列的下载功能。

有两个文件: 每个文件3百万行 文件每行示例如下: name: A063534 C(n) = H(n) + d(n), where C(n) is Chowla's function A048050, H(n) is the half-totient function A023022 and d(n) is the number of divisors function A000005. stripped: A063534 ,6,8,15,21,33,39,51,57,69,87,93,111,123,129,141,159,177,183,201,213,219,237,249,267,291,303,309,321,327,339,381,393,411,417,447,453,471,489,501,519,537,543,573,579,591,597,633,669,681,687,699,717,723,753, 截止2018.7.31

oeis 核心数列网 湘潭大学 很好的资料.pdf