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.

A053333 a(n) contains n digits (either '4' or '9') and is divisible by 2^n.

Table of values

n a(n)
1 4
2 44
3 944
4 4944
5 94944
6 994944
7 4994944
8 94994944
9 494994944
10 9494994944
11 49494994944
12 449494994944
13 9449494994944
14 99449494994944
15 499449494994944
16 9499449494994944
17 49499449494994944
18 949499449494994944

List of values

[4, 44, 944, 4944, 94944, 994944, 4994944, 94994944, 494994944, 9494994944, 49494994944, 449494994944, 9449494994944, 99449494994944, 499449494994944, 9499449494994944, 49499449494994944, 949499449494994944]

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

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