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) |
|---|---|
| 0 | 1 |
| 1 | 11 |
| 2 | 221 |
| 3 | 1343 |
| 4 | 5913 |
| 5 | 16875 |
| 6 | 42205 |
| 7 | 89527 |
| 8 | 176377 |
| 9 | 313259 |
| 10 | 532509 |
| 11 | 853399 |
| 12 | 1322921 |
| 13 | 1961211 |
| 14 | 2846933 |
| 15 | 4005143 |
| 16 | 5554265 |
| 17 | 7491355 |
| 18 | 9977557 |
| 19 | 13065527 |
| 20 | 16907817 |
| 21 | 21524019 |
| 22 | 27179909 |
| 23 | 33921671 |
| 24 | 42036401 |
| 25 | 51452803 |
| 26 | 62664773 |