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 | 75 |
| 2 | 113 |
| 3 | 295 |
| 4 | 533 |
| 5 | 686 |
| 6 | 2130 |
| 7 | 14805 |
| 8 | 26966 |
| 9 | 30235 |
| 10 | 35095 |
| 11 | 135653 |
| 12 | 355675 |
| 13 | 432996 |
| 14 | 590138 |
| 15 | 1214588 |
| 16 | 2692853 |
| 17 | 2952064 |
| 18 | 3375195 |
| 19 | 3486795 |
| 20 | 5973014 |
| 21 | 6880351 |
| 22 | 7334956 |
| 23 | 22266602 |
| 24 | 25841659 |
| 25 | 30483834 |
| 26 | 37416582 |
| 27 | 38390010 |
| 28 | 40952513 |
| 29 | 41109593 |
| 30 | 57242145 |