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 | 3 |
| 2 | 4 |
| 3 | 6 |
| 4 | 7 |
| 5 | 10 |
| 6 | 12 |
| 7 | 13 |
| 8 | 19 |
| 9 | 23 |
| 10 | 26 |
| 11 | 32 |
| 12 | 63 |
| 13 | 95 |
| 14 | 150 |
| 15 | 324 |
| 16 | 449 |
| 17 | 1969 |
| 18 | 2988 |
| 19 | 6199 |
| 20 | 8093 |
| 21 | 23393 |
| 22 | 25427 |
| 23 | 34685 |
| 24 | 35076 |
| 25 | 44171 |
| 26 | 45624 |
| 27 | 83357 |
| 28 | 116404 |