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 | 1 |
| 2 | 34 |
| 3 | 492 |
| 4 | 5617 |
| 5 | 11234 |
| 6 | 22468 |
| 7 | 67404 |
| 8 | 190978 |
| 9 | 709937 |
| 10 | 763912 |
| 11 | 1419874 |
| 12 | 2839748 |
| 13 | 5073996 |
| 14 | 5446841 |
| 15 | 7914353 |
| 16 | 8519244 |
| 17 | 10893682 |
| 18 | 11548552 |
| 19 | 15828706 |
| 20 | 17126233 |
| 21 | 21787364 |
| 22 | 31657412 |
| 23 | 34252466 |
| 24 | 43574728 |
| 25 | 57928121 |
| 26 | 63314824 |
| 27 | 65362092 |
| 28 | 68504932 |
| 29 | 73084632 |
| 30 | 94972236 |