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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A387100 a(n) is the least number that can be written in exactly n ways as s_1^x_1 + ... + s_t^x_t, with 1 < s_1 < ... < s_t and {s_1,..., s_t} = {x_1,..., x_t}.

Table of values

n a(n)
1 4
2 545
3 23506
4 331979
5 5260225
6 10630307

List of values

[4, 545, 23506, 331979, 5260225, 10630307]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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