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.

A053380 a(n) contains n digits (either '8' or '9') and is divisible by 2^n.

Table of values

n a(n)
1 8
2 88
3 888
4 9888
5 89888
6 989888
7 9989888
8 89989888
9 989989888
10 8989989888
11 98989989888
12 898989989888
13 8898989989888
14 98898989989888
15 998898989989888
16 8998898989989888
17 98998898989989888
18 898998898989989888

List of values

[8, 88, 888, 9888, 89888, 989888, 9989888, 89989888, 989989888, 8989989888, 98989989888, 898989989888, 8898989989888, 98898989989888, 998898989989888, 8998898989989888, 98998898989989888, 898998898989989888]