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 | 256409 |
| 2 | 4112429 |
| 3 | 11120339 |
| 4 | 12231449 |
| 5 | 13243229 |
| 6 | 31435739 |
| 7 | 46892264 |
| 8 | 49798979 |
| 9 | 69909839 |
| 10 | 98237474 |
| 11 | 125994749 |
| 12 | 145989164 |
| 13 | 171741989 |
| 14 | 201038564 |
| 15 | 205739414 |
| 16 | 229298684 |
| 17 | 232560509 |
| 18 | 253539929 |
| 19 | 259765694 |
| 20 | 261519719 |
| 21 | 292721519 |
| 22 | 296504669 |