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 | 25 |
| 2 | 50 |
| 3 | 55 |
| 4 | 110 |
| 5 | 121 |
| 6 | 233 |
| 7 | 466 |
| 8 | 932 |
| 9 | 1171 |
| 10 | 2288 |
| 11 | 4576 |
| 12 | 9143 |
| 13 | 10492 |
| 14 | 11741 |
| 15 | 22888 |
| 16 | 45776 |
| 17 | 91453 |
| 18 | 104912 |
| 19 | 116161 |
| 20 | 227327 |
| 21 | 449704 |
| 22 | 494183 |
| 23 | 628672 |
| 24 | 855350 |
| 25 | 890908 |
| 26 | 899807 |
| 27 | 978706 |
| 28 | 1046495 |
| 29 | 1191064 |
| 30 | 1302533 |
| 31 | 1425868 |
| 32 | 2671556 |
| 33 | 3927223 |
| 34 | 6150602 |