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.
| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 14 |
| 3 | 114 |
| 4 | 1004 |
| 5 | 100040 |
| 6 | 100014 |
| 7 | 1000034 |
| 8 | 10000024 |
| 9 | 100000044 |
| 10 | 10000000040 |
| 11 | 10000000054 |
| 12 | 100000000044 |
| 13 | 1000000000064 |
| 14 | 10000000000004 |
| 15 | 1000000000000140 |
| 16 | 1000000000000064 |
| 17 | 10000000000000084 |
| 18 | 100000000000000044 |
| 19 | 1000000000000000094 |