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 | 1 |
| 2 | 2 |
| 3 | 33 |
| 4 | 51 |
| 5 | 69 |
| 6 | 105 |
| 7 | 195 |
| 8 | 250 |
| 9 | 294 |
| 10 | 1250 |
| 11 | 4913 |
| 12 | 9583 |
| 13 | 13778 |
| 14 | 48778 |
| 15 | 65603 |
| 16 | 83521 |
| 17 | 111265 |
| 18 | 228939 |
| 19 | 651695 |
| 20 | 984150 |
| 21 | 1414562 |
| 22 | 1857848 |
| 23 | 2668626 |
| 24 | 5643110 |
| 25 | 6295726 |
| 26 | 10091354 |