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 | 613 |
| 2 | 6229 |
| 3 | 7607 |
| 4 | 9679 |
| 5 | 46133 |
| 6 | 61469 |
| 7 | 69191 |
| 8 | 120067 |
| 9 | 211663 |
| 10 | 285049 |
| 11 | 316697 |
| 12 | 354323 |
| 13 | 402371 |
| 14 | 444979 |
| 15 | 481109 |
| 16 | 490313 |
| 17 | 532709 |
| 18 | 993907 |
| 19 | 1055543 |
| 20 | 1083721 |
| 21 | 1237487 |
| 22 | 1329701 |
| 23 | 1409977 |
| 24 | 1442899 |
| 25 | 1484671 |
| 26 | 1656199 |
| 27 | 1700471 |
| 28 | 1874767 |