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 | 1331 |
| 2 | 103823 |
| 3 | 3048625 |
| 4 | 11089567 |
| 5 | 12008989 |
| 6 | 19034163 |
| 7 | 30664297 |
| 8 | 43986977 |
| 9 | 48627125 |
| 10 | 59776471 |
| 11 | 62570773 |
| 12 | 68417929 |
| 13 | 130323843 |
| 14 | 180362125 |
| 15 | 182284263 |
| 16 | 186169411 |
| 17 | 188132517 |
| 18 | 263374721 |
| 19 | 288804781 |
| 20 | 377933067 |
| 21 | 498677257 |
| 22 | 510082399 |
| 23 | 594823321 |
| 24 | 697864103 |
| 25 | 716917375 |