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 | 5 |
| 2 | 8 |
| 3 | 10 |
| 4 | 41 |
| 5 | 206 |
| 6 | 1066 |
| 7 | 2412 |
| 8 | 3281 |
| 9 | 8086 |
| 10 | 11570 |
| 11 | 29525 |
| 12 | 57012 |
| 13 | 73728 |
| 14 | 410390 |
| 15 | 413486 |
| 16 | 775130 |
| 17 | 2391485 |
| 18 | 2454146 |
| 19 | 2937446 |
| 20 | 64563520 |
| 21 | 100531166 |
| 22 | 152032126 |
| 23 | 988747406 |