Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 49 |
2 | 409 |
3 | 4009 |
4 | 40009 |
5 | 400009 |
6 | 4000009 |
7 | 40000009 |
8 | 400000009 |
9 | 4000000009 |
10 | 40000000009 |
11 | 400000000009 |
12 | 4000000000009 |
13 | 40000000000009 |
14 | 400000000000009 |
15 | 4000000000000009 |
16 | 40000000000000009 |
17 | 400000000000000009 |
18 | 4000000000000000009 |
19 | 40000000000000000009 |
20 | 400000000000000000009 |
21 | 4000000000000000000009 |
[49,409,4009,40009,400009,4000009,40000009, 400000009,4000000009,40000000009,400000000009, 4000000000009,40000000000009,400000000000009, 4000000000000009,40000000000000009, 400000000000000009,4000000000000000009, 40000000000000000009,400000000000000000009, 4000000000000000000009] |