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 | 3970902 |
| 2 | 4851691 |
| 3 | 7921800 |
| 4 | 39022919 |
| 5 | 102132857 |
| 6 | 110468517 |
| 7 | 368495972 |
| 8 | 391099413 |
| 9 | 395147912 |
| 10 | 421129348 |
| 11 | 452808398 |
| 12 | 608389509 |
| 13 | 667231451 |
| 14 | 693386307 |
| 15 | 698864465 |
| 16 | 776218485 |
| 17 | 1005771844 |
| 18 | 1335351479 |
| 19 | 1336652359 |
| 20 | 1485470432 |