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.

A087502 Smallest positive integer which when written in base n is doubled when the last digit is put first.

Table of values

n a(n)
3 32
4 18
5 8
6 10993850
7 2129428800
8 21
9 5064320
10 105263157894736842
11 40
12 64609423538
13 5712
14 65
15 58774271029236501660840264682112
16 67650
17 96
18 833
19 586081355679130611935159482937228562988190880
20 133

List of values

[32, 18, 8, 10993850, 2129428800, 21, 5064320, 105263157894736842, 40, 64609423538, 5712, 65, 58774271029236501660840264682112, 67650, 96, 833, 586081355679130611935159482937228562988190880, 133]

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

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