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 | 0 |
| 1 | 521 |
| 2 | 1042 |
| 3 | 1563 |
| 4 | 2084 |
| 5 | 2605 |
| 6 | 3126 |
| 7 | 3647 |
| 8 | 4168 |
| 9 | 4689 |
| 10 | 5210 |
| 11 | 5731 |
| 12 | 6252 |
| 13 | 6773 |
| 14 | 7294 |
| 15 | 7815 |
| 16 | 8336 |
| 17 | 8857 |
| 18 | 9378 |
| 19 | 9899 |
| 20 | 10420 |
| 21 | 10941 |
| 22 | 11462 |
| 23 | 11983 |
| 24 | 12504 |
| 25 | 13025 |
| 26 | 13546 |
| 27 | 14067 |
| 28 | 14588 |
| 29 | 15109 |
| 30 | 15630 |
| 31 | 16151 |