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 | 198593 |
| 2 | 21523361 |
| 3 | 107182721 |
| 4 | 407865361 |
| 5 | 429388721 |
| 6 | 3487882001 |
| 7 | 11979660241 |
| 8 | 39155495921 |
| 9 | 84785726833 |
| 10 | 141217650641 |
| 11 | 141321947681 |
| 12 | 250123401793 |
| 13 | 253611085201 |
| 14 | 289278699121 |
| 15 | 391337974721 |
| 16 | 426445714033 |
| 17 | 426448401121 |