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 | 254540 |
| 2 | 310155 |
| 3 | 378014 |
| 4 | 421134 |
| 5 | 432795 |
| 6 | 483405 |
| 7 | 486590 |
| 8 | 486794 |
| 9 | 488565 |
| 10 | 489345 |
| 11 | 507129 |
| 12 | 522444 |
| 13 | 545258 |
| 14 | 549185 |
| 15 | 558789 |
| 16 | 558830 |
| 17 | 567644 |
| 18 | 577940 |
| 19 | 584154 |
| 20 | 591260 |
| 21 | 598689 |
| 22 | 627095 |
| 23 | 634809 |
| 24 | 637329 |
| 25 | 663585 |
| 26 | 666995 |
| 27 | 667029 |
| 28 | 678755 |
| 29 | 687939 |
| 30 | 690234 |