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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.

A097580 Base 3 representation of the concatenation of the first n numbers with the most significant digits first.

Table of values

n a(n)
1 1
2 110
3 11120
4 1200201
5 121221020
6 20021100110
7 2022201111201
8 212020020002100
9 22121022020212200
10 1011212101120110200001
11 11101000122011021220211010
12 121012010100112220022220220120

List of values

[1, 110, 11120, 1200201, 121221020, 20021100110, 2022201111201, 212020020002100, 22121022020212200, 1011212101120110200001, 11101000122011021220211010, 121012010100112220022220220120]

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

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