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 | 3 |
| 2 | 11 |
| 3 | 53 |
| 4 | 1693 |
| 5 | 2663 |
| 6 | 4423 |
| 7 | 16831 |
| 8 | 17609 |
| 9 | 36229 |
| 10 | 49801 |
| 11 | 94961 |
| 12 | 121493 |
| 13 | 150869 |
| 14 | 176303 |
| 15 | 183761 |
| 16 | 188011 |
| 17 | 210901 |
| 18 | 213833 |
| 19 | 218579 |
| 20 | 272903 |
| 21 | 300301 |
| 22 | 329671 |
| 23 | 439511 |
| 24 | 444791 |
| 25 | 453023 |
| 26 | 469613 |
| 27 | 518813 |
| 28 | 531911 |
| 29 | 546071 |
| 30 | 559703 |
| 31 | 570719 |
| 32 | 614279 |
| 33 | 705781 |