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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.

A332156 a(n) = 5*(10^(2*n+1)-1)/9 + 10^n.

Table of values

n a(n)
0 6
1 565
2 55655
3 5556555
4 555565555
5 55555655555
6 5555556555555
7 555555565555555
8 55555555655555555
9 5555555556555555555
10 555555555565555555555
11 55555555555655555555555
12 5555555555556555555555555
13 555555555555565555555555555
14 55555555555555655555555555555
15 5555555555555556555555555555555

List of values

[6, 565, 55655, 5556555, 555565555, 55555655555, 5555556555555, 555555565555555, 55555555655555555, 5555555556555555555, 555555555565555555555, 55555555555655555555555, 5555555555556555555555555, 555555555555565555555555555, 55555555555555655555555555555, 5555555555555556555555555555555]

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

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