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 | 5 |
| 3 | 37 |
| 4 | 101 |
| 5 | 257 |
| 6 | 401 |
| 7 | 4801 |
| 8 | 12101 |
| 9 | 22501 |
| 10 | 25537 |
| 11 | 25601 |
| 12 | 31249 |
| 13 | 33857 |
| 14 | 160001 |
| 15 | 217157 |
| 16 | 401957 |
| 17 | 404497 |
| 18 | 476101 |
| 19 | 512657 |
| 20 | 583697 |
| 21 | 1020101 |
| 22 | 1270417 |
| 23 | 1322501 |
| 24 | 1503377 |
| 25 | 1674437 |
| 26 | 1943237 |
| 27 | 2005057 |
| 28 | 2016401 |
| 29 | 2056357 |
| 30 | 2689601 |
| 31 | 2755601 |
| 32 | 2842597 |
| 33 | 3686401 |
| 34 | 3920401 |