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.

A053317 a(n) contains n digits (either '2' or '5') and is divisible by 2^n.

Table of values

n a(n)
1 2
2 52
3 552
4 5552
5 55552
6 255552
7 5255552
8 55255552
9 255255552
10 2255255552
11 22255255552
12 222255255552
13 5222255255552
14 55222255255552
15 255222255255552
16 2255222255255552
17 22255222255255552
18 222255222255255552

List of values

[2, 52, 552, 5552, 55552, 255552, 5255552, 55255552, 255255552, 2255255552, 22255255552, 222255255552, 5222255255552, 55222255255552, 255222255255552, 2255222255255552, 22255222255255552, 222255222255255552]

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

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