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 | 165 |
| 2 | 286 |
| 3 | 455 |
| 4 | 969 |
| 5 | 1771 |
| 6 | 4495 |
| 7 | 9139 |
| 8 | 12341 |
| 9 | 32509 |
| 10 | 176851 |
| 11 | 437989 |
| 12 | 657359 |
| 13 | 939929 |
| 14 | 3737581 |
| 15 | 9290431 |
| 16 | 21084251 |
| 17 | 26536591 |
| 18 | 39338069 |
| 19 | 44101441 |
| 20 | 61690919 |
| 21 | 92568571 |
| 22 | 112805879 |
| 23 | 289442201 |
| 24 | 381588019 |
| 25 | 439918931 |
| 26 | 495593039 |
| 27 | 711215371 |
| 28 | 815946449 |
| 29 | 1008077071 |
| 30 | 1103914379 |