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 | 9 |
| 4 | 20 |
| 5 | 26 |
| 6 | 77 |
| 7 | 101 |
| 8 | 120 |
| 9 | 308 |
| 10 | 543 |
| 11 | 869 |
| 12 | 876 |
| 13 | 1193 |
| 14 | 1199 |
| 15 | 1355 |
| 16 | 1923 |
| 17 | 3689 |
| 18 | 3788 |
| 19 | 4182 |
| 20 | 6539 |
| 21 | 19068 |
| 22 | 26922 |
| 23 | 38957 |
| 24 | 58872 |
| 25 | 61230 |
| 26 | 72759 |