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 | 72407663 |
| 2 | 40766303 |
| 3 | 54759457 |
| 4 | 57138217 |
| 5 | 20030599 |
| 6 | 98807531 |
| 7 | 15738341 |
| 8 | 83418793 |
| 9 | 34884167 |
| 10 | 84167509 |
| 11 | 22648001 |
| 12 | 10753907 |
| 13 | 20695517 |
| 14 | 38606261 |
| 15 | 82656029 |
| 16 | 29760673 |
| 17 | 13200709 |
| 18 | 27443747 |
| 19 | 74704723 |
| 20 | 69772093 |
| 21 | 92836819 |