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 | 4624776 |
| 2 | 15438250 |
| 3 | 27445392 |
| 4 | 36998208 |
| 5 | 123506000 |
| 6 | 127396178 |
| 7 | 216226981 |
| 8 | 219563136 |
| 9 | 238328064 |
| 10 | 269442621 |
| 11 | 295985664 |
| 12 | 310289733 |
| 13 | 406767816 |
| 14 | 423432360 |
| 15 | 449519625 |
| 16 | 510200217 |
| 17 | 578097000 |
| 18 | 590421637 |
| 19 | 632767581 |
| 20 | 634207392 |
| 21 | 715674609 |
| 22 | 751462677 |