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 | 61 |
| 2 | 1301 |
| 3 | 1861 |
| 4 | 2521 |
| 5 | 5101 |
| 6 | 7321 |
| 7 | 8581 |
| 8 | 9941 |
| 9 | 14621 |
| 10 | 16381 |
| 11 | 20201 |
| 12 | 24421 |
| 13 | 26681 |
| 14 | 34061 |
| 15 | 36721 |
| 16 | 51521 |
| 17 | 68821 |
| 18 | 76441 |
| 19 | 97241 |
| 20 | 101701 |
| 21 | 106261 |
| 22 | 110921 |
| 23 | 135721 |
| 24 | 163021 |
| 25 | 168781 |
| 26 | 199081 |
| 27 | 205441 |
| 28 | 218461 |
| 29 | 252761 |
| 30 | 282001 |
| 31 | 304981 |
| 32 | 312841 |
| 33 | 337021 |
| 34 | 353641 |