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 | 5 |
| 3 | 7 |
| 4 | 11 |
| 5 | 23 |
| 6 | 73 |
| 7 | 89 |
| 8 | 179 |
| 9 | 233 |
| 10 | 761 |
| 11 | 1451 |
| 12 | 2741 |
| 13 | 4391 |
| 14 | 5231 |
| 15 | 42611 |
| 16 | 198221 |
| 17 | 305741 |
| 18 | 6766811 |
| 19 | 1326662801 |
| 20 | 1979990861 |
| 21 | 4735703723 |
| 22 | 9697282541 |
| 23 | 35285447111 |
| 24 | 45169368641 |
| 25 | 169684421321 |
| 26 | 187946428721 |