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) |
|---|---|
| 2 | 4700063497 |
| 3 | 41459 |
| 4 | 6821 |
| 5 | 15853 |
| 6 | 121129 |
| 7 | 535 |
| 8 | 36196439 |
| 9 | 3827 |
| 10 | 15084115509707 |
| 11 | 8153 |
| 12 | 20395 |
| 13 | 5805311 |
| 14 | 93929 |
| 15 | 3736136819 |
| 16 | 1343851 |
| 17 | 7099195 |
| 18 | 319 |
| 19 | 559 |
| 20 | 96641237093 |
| 21 | 5053 |
| 22 | 1535 |
| 23 | 280517 |
| 24 | 148731221 |
| 25 | 869 |
| 26 | 2062919 |
| 27 | 17473 |
| 28 | 803 |
| 29 | 39259 |