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 | 2 |
| 2 | 3 |
| 3 | 4 |
| 4 | 10 |
| 5 | 14 |
| 6 | 50 |
| 7 | 52 |
| 8 | 130 |
| 9 | 184 |
| 10 | 315 |
| 11 | 688 |
| 12 | 988 |
| 13 | 2528 |
| 14 | 6490 |
| 15 | 35456 |
| 16 | 396916 |
| 17 | 537088 |
| 18 | 538112 |
| 19 | 801376 |
| 20 | 1297312 |
| 21 | 8452096 |
| 22 | 8456192 |
| 23 | 35221184 |
| 24 | 53996590 |
| 25 | 134520832 |
| 26 | 222469702 |