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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.

A362117 Concatenation of first n numbers in base 5.

Table of values

n a(n)
1 1
2 12
3 123
4 1234
5 123410
6 12341011
7 1234101112
8 123410111213
9 12341011121314
10 1234101112131420
11 123410111213142021
12 12341011121314202122
13 1234101112131420212223
14 123410111213142021222324
15 12341011121314202122232430
16 1234101112131420212223243031

List of values

[1, 12, 123, 1234, 123410, 12341011, 1234101112, 123410111213, 12341011121314, 1234101112131420, 123410111213142021, 12341011121314202122, 1234101112131420212223, 123410111213142021222324, 12341011121314202122232430, 1234101112131420212223243031]

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

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