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.

A217431 Numbers of the form 3^r*13^s whose decimal representation has a prime number of copies of each digit 0-9.

Table of values

n a(n)
1 691159348276025798403
2 510798409623548623605717
3 5097400863986495932124683149477
4 10996481542736751381410324522244489
5 915432679064411834115450778445909529

List of values

[691159348276025798403, 510798409623548623605717, 5097400863986495932124683149477, 10996481542736751381410324522244489, 915432679064411834115450778445909529]

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

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