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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.

A287298 a(n) is the largest square with distinct digits in base n.

Table of values

n a(n)
2 1
3 1
4 225
5 576
6 38025
7 751689
8 10323369
9 355624164
10 9814072356
11 279740499025
12 8706730814089
13 23132511879129
14 11027486960232964
15 435408094460869201
16 18362780530794065025
17 48470866291337805316
18 39207739576969100808801
19 1972312183619434816475625
20 104566626183621314286288961

List of values

[1, 1, 225, 576, 38025, 751689, 10323369, 355624164, 9814072356, 279740499025, 8706730814089, 23132511879129, 11027486960232964, 435408094460869201, 18362780530794065025, 48470866291337805316, 39207739576969100808801, 1972312183619434816475625, 104566626183621314286288961]

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

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