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.

A374173 a(n) is the smallest prime whose base-n representation contains a run of at least n identical digits.

Table of values

n a(n)
2 3
3 13
4 683
5 3907
6 55987
7 960803
8 19173967
9 435848051
10 11111111113
11 1540683021299
12 19453310068921
13 328114698808283
14 45302797058044219
15 469172025408063623
16 19676527011956855059
17 878942778254232811943
18 120353718818554114936591
19 109912203092239643840221

List of values

[3, 13, 683, 3907, 55987, 960803, 19173967, 435848051, 11111111113, 1540683021299, 19453310068921, 328114698808283, 45302797058044219, 469172025408063623, 19676527011956855059, 878942778254232811943, 120353718818554114936591, 109912203092239643840221]

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

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