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) |
|---|---|
| 0 | 13 |
| 1 | 74581 |
| 2 | 545725 |
| 3 | 1786693 |
| 4 | 4170733 |
| 5 | 8071093 |
| 6 | 13861021 |
| 7 | 21913765 |
| 8 | 32602573 |
| 9 | 46300693 |
| 10 | 63381373 |
| 11 | 84217861 |
| 12 | 109183405 |
| 13 | 138651253 |
| 14 | 172994653 |
| 15 | 212586853 |
| 16 | 257801101 |
| 17 | 309010645 |
| 18 | 366588733 |
| 19 | 430908613 |
| 20 | 502343533 |
| 21 | 581266741 |
| 22 | 668051485 |
| 23 | 763071013 |
| 24 | 866698573 |
| 25 | 979307413 |
| 26 | 1101270781 |