cp's OEIS Frontend

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.

A257659 Numbers that are not seventh powers, but can be written as the sum of the seventh powers of two or more of their prime factors.

Table of values

n a(n)
1 275223438741
2 4561072096211306682
3 9306119954843409393442022085025276

List of values

[275223438741, 4561072096211306682, 9306119954843409393442022085025276]

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

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