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 | 1 |
| 2 | 4060 |
| 3 | 11481 |
| 4 | 22264 |
| 5 | 36409 |
| 6 | 53916 |
| 7 | 74785 |
| 8 | 99016 |
| 9 | 126609 |
| 10 | 157564 |
| 11 | 191881 |
| 12 | 229560 |
| 13 | 270601 |
| 14 | 315004 |
| 15 | 362769 |
| 16 | 413896 |
| 17 | 468385 |
| 18 | 526236 |
| 19 | 587449 |
| 20 | 652024 |
| 21 | 719961 |
| 22 | 791260 |
| 23 | 865921 |
| 24 | 943944 |
| 25 | 1025329 |
| 26 | 1110076 |
| 27 | 1198185 |
| 28 | 1289656 |
| 29 | 1384489 |
| 30 | 1482684 |
| 31 | 1584241 |