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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.

A033146 Decimal expansion of a(n) is given by the first n terms of the periodic sequence with initial period 1,0,0.

Table of values

n a(n)
1 1
2 10
3 100
4 1001
5 10010
6 100100
7 1001001
8 10010010
9 100100100
10 1001001001
11 10010010010
12 100100100100
13 1001001001001
14 10010010010010
15 100100100100100
16 1001001001001001
17 10010010010010010
18 100100100100100100
19 1001001001001001001
20 10010010010010010010

List of values

[1, 10, 100, 1001, 10010, 100100, 1001001, 10010010, 100100100, 1001001001, 10010010010, 100100100100, 1001001001001, 10010010010010, 100100100100100, 1001001001001001, 10010010010010010, 100100100100100100, 1001001001001001001, 10010010010010010010]

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