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 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 6 |
| 5 | 11 |
| 6 | 12 |
| 7 | 26 |
| 8 | 32 |
| 9 | 36 |
| 10 | 75 |
| 11 | 137 |
| 12 | 143 |
| 13 | 279 |
| 14 | 290 |
| 15 | 363 |
| 16 | 716 |
| 17 | 770 |
| 18 | 1377 |
| 19 | 1638 |
| 20 | 4470 |
| 21 | 5952 |
| 22 | 10526 |
| 23 | 15132 |
| 24 | 27054 |
| 25 | 81485 |