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 | 29 |
| 2 | 267 |
| 3 | 1097 |
| 4 | 3141 |
| 5 | 7564 |
| 6 | 16742 |
| 7 | 35513 |
| 8 | 73427 |
| 9 | 149053 |
| 10 | 297518 |
| 11 | 583860 |
| 12 | 1125118 |
| 13 | 2126567 |
| 14 | 3939287 |
| 15 | 7150127 |
| 16 | 12719513 |
| 17 | 22189580 |
| 18 | 37994506 |
| 19 | 63918056 |
| 20 | 105761409 |
| 21 | 172308985 |
| 22 | 276713314 |
| 23 | 438464653 |
| 24 | 686170386 |
| 25 | 1061447357 |
| 26 | 1624332246 |