cp's OEIS Frontend

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.

A178769 a(n) = (5*10^n + 13)/9.

Table of values

n a(n)
0 2
1 7
2 57
3 557
4 5557
5 55557
6 555557
7 5555557
8 55555557
9 555555557
10 5555555557
11 55555555557
12 555555555557
13 5555555555557
14 55555555555557
15 555555555555557
16 5555555555555557
17 55555555555555557
18 555555555555555557
19 5555555555555555557
20 55555555555555555557
21 555555555555555555557

List of values

[2, 7, 57, 557, 5557, 55557, 555557, 5555557, 55555557, 555555557, 5555555557, 55555555557, 555555555557, 5555555555557, 55555555555557, 555555555555557, 5555555555555557, 55555555555555557, 555555555555555557, 5555555555555555557, 55555555555555555557, 555555555555555555557]

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

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