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.

A249907 Smallest positive integer k such that k contains all possible pairs of digits when represented in base b = n >= 2.

Table of values

n a(n)
2 19
3 20842
4 4387884733
5 301083852338952371
6 10372871309299412994565980691
7 257810894191937039020949293796466032151538
8 6291283822228991408060146690794416231996294644948906012153
9 196933489270977741064964174271054692081510750312035993579769632880958095885917

List of values

[19, 20842, 4387884733, 301083852338952371, 10372871309299412994565980691, 257810894191937039020949293796466032151538, 6291283822228991408060146690794416231996294644948906012153, 196933489270977741064964174271054692081510750312035993579769632880958095885917]

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

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