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 | 617 |
| 2 | 1723 |
| 3 | 2731 |
| 4 | 3191 |
| 5 | 6547 |
| 6 | 11087 |
| 7 | 13103 |
| 8 | 21683 |
| 9 | 21839 |
| 10 | 47737 |
| 11 | 49727 |
| 12 | 49739 |
| 13 | 51679 |
| 14 | 52361 |
| 15 | 60679 |
| 16 | 63719 |
| 17 | 117721 |
| 18 | 133169 |
| 19 | 145531 |
| 20 | 232681 |
| 21 | 275183 |
| 22 | 281353 |
| 23 | 306431 |
| 24 | 341879 |
| 25 | 373463 |
| 26 | 607319 |
| 27 | 700883 |
| 28 | 807241 |
| 29 | 1212119 |
| 30 | 1240559 |
| 31 | 1281331 |
| 32 | 1292927 |
| 33 | 1353239 |
| 34 | 1410361 |
| 35 | 1602451 |
| 36 | 1679599 |
| 37 | 2236907 |