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 | 421 |
| 2 | 2521 |
| 3 | 3361 |
| 4 | 4201 |
| 5 | 4621 |
| 6 | 5881 |
| 7 | 6301 |
| 8 | 7561 |
| 9 | 8821 |
| 10 | 9241 |
| 11 | 9661 |
| 12 | 10501 |
| 13 | 12601 |
| 14 | 13441 |
| 15 | 14281 |
| 16 | 15121 |
| 17 | 15541 |
| 18 | 16381 |
| 19 | 18061 |
| 20 | 18481 |
| 21 | 20161 |
| 22 | 21001 |
| 23 | 21841 |
| 24 | 24781 |
| 25 | 25621 |
| 26 | 26041 |
| 27 | 26881 |
| 28 | 29401 |
| 29 | 30241 |
| 30 | 30661 |
| 31 | 31081 |
| 32 | 32341 |
| 33 | 33181 |
| 34 | 33601 |
| 35 | 35281 |
| 36 | 36541 |
| 37 | 39901 |
| 38 | 41161 |