hardy-ramanujan

Finding taxicab Numbers

半城伤御伤魂 提交于 2019-11-28 07:37:46
Find the first n taxicab numbers. Given a value n . I would like to find the first n taxicab numbers. A taxicab being a number that can be expressed as the sum of two perfect cubes in more than one way. (Note that there are two related but different sets referred to as 'taxicab numbers': the sums of 2 cubes in more than 1 way , and the smallest numbers that are the sum of 2 positive integral cubes in n ways . This question is about the former set, since the latter set has only the first six members known) For example: 1^3 + 12^3 = 1729 = 9^3 + 10^3 I would like a rough overview of the

Finding taxicab Numbers

空扰寡人 提交于 2019-11-27 01:42:57
问题 Find the first n taxicab numbers. Given a value n . I would like to find the first n taxicab numbers. A taxicab being a number that can be expressed as the sum of two perfect cubes in more than one way. (Note that there are two related but different sets referred to as 'taxicab numbers': the sums of 2 cubes in more than 1 way, and the smallest numbers that are the sum of 2 positive integral cubes in n ways. This question is about the former set, since the latter set has only the first six