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 | 11 |
| 2 | 89 |
| 3 | 167 |
| 4 | 431 |
| 5 | 1187 |
| 6 | 1559 |
| 7 | 3119 |
| 8 | 5471 |
| 9 | 7559 |
| 10 | 18899 |
| 11 | 34781 |
| 12 | 41579 |
| 13 | 57719 |
| 14 | 67157 |
| 15 | 89009 |
| 16 | 108191 |
| 17 | 122399 |
| 18 | 154439 |
| 19 | 270269 |
| 20 | 283007 |
| 21 | 309671 |
| 22 | 628487 |
| 23 | 650759 |
| 24 | 770039 |
| 25 | 875327 |
| 26 | 960299 |
| 27 | 1213379 |
| 28 | 1547207 |
| 29 | 1800719 |
| 30 | 1845491 |
| 31 | 1984247 |
| 32 | 2608751 |
| 33 | 2724119 |