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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.

A030512 Concatenation of first n 2-digit positive integers including leading zeros.

Table of values

n a(n)
1 1
2 102
3 10203
4 1020304
5 102030405
6 10203040506
7 1020304050607
8 102030405060708
9 10203040506070809
10 1020304050607080910
11 102030405060708091011
12 10203040506070809101112
13 1020304050607080910111213
14 102030405060708091011121314

List of values

[1, 102, 10203, 1020304, 102030405, 10203040506, 1020304050607, 102030405060708, 10203040506070809, 1020304050607080910, 102030405060708091011, 10203040506070809101112, 1020304050607080910111213, 102030405060708091011121314]

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

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