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 | 121 |
| 2 | 253 |
| 3 | 793 |
| 4 | 1261 |
| 5 | 1633 |
| 6 | 2773 |
| 7 | 3901 |
| 8 | 11881 |
| 9 | 19153 |
| 10 | 24961 |
| 11 | 49141 |
| 12 | 50233 |
| 13 | 59401 |
| 14 | 90037 |
| 15 | 128773 |
| 16 | 162361 |
| 17 | 186913 |
| 18 | 197653 |
| 19 | 268393 |
| 20 | 294373 |
| 21 | 422941 |
| 22 | 492493 |
| 23 | 1425937 |
| 24 | 1515037 |
| 25 | 1663213 |
| 26 | 1811701 |
| 27 | 2092141 |
| 28 | 2185273 |
| 29 | 2601733 |
| 30 | 3020341 |
| 31 | 3063061 |