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 | 4 |
| 2 | 10 |
| 3 | 26 |
| 4 | 44 |
| 5 | 70 |
| 6 | 108 |
| 7 | 162 |
| 8 | 228 |
| 9 | 310 |
| 10 | 422 |
| 11 | 550 |
| 12 | 700 |
| 13 | 878 |
| 14 | 1079 |
| 15 | 1344 |
| 16 | 1606 |
| 17 | 1944 |
| 18 | 2337 |
| 19 | 2766 |
| 20 | 3195 |
| 21 | 3668 |
| 22 | 4251 |
| 23 | 4923 |
| 24 | 5631 |
| 25 | 6429 |