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 | 1 |
| 2 | 2 |
| 3 | 12 |
| 4 | 15 |
| 5 | 25 |
| 6 | 32 |
| 7 | 102 |
| 8 | 105 |
| 9 | 111 |
| 10 | 295 |
| 11 | 392 |
| 12 | 1002 |
| 13 | 1918 |
| 14 | 2187 |
| 15 | 5812 |
| 16 | 10009 |
| 17 | 10011 |
| 18 | 29995 |
| 19 | 39992 |
| 20 | 100002 |
| 21 | 199918 |
| 22 | 219987 |
| 23 | 589912 |
| 24 | 1000009 |
| 25 | 1000011 |
| 26 | 2999995 |
| 27 | 3999992 |
| 28 | 10000002 |
| 29 | 19999918 |
| 30 | 21999987 |
| 31 | 58999912 |
| 32 | 100000009 |