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 | 5 |
| 2 | 23 |
| 3 | 101 |
| 4 | 311 |
| 5 | 931 |
| 6 | 1895 |
| 7 | 3875 |
| 8 | 6349 |
| 9 | 10643 |
| 10 | 18335 |
| 11 | 25873 |
| 12 | 39593 |
| 13 | 55607 |
| 14 | 71301 |
| 15 | 94559 |
| 16 | 127315 |
| 17 | 167495 |
| 18 | 204063 |
| 19 | 258283 |
| 20 | 315087 |
| 21 | 369749 |
| 22 | 451635 |
| 23 | 533015 |
| 24 | 640097 |
| 25 | 779283 |
| 26 | 902789 |
| 27 | 1013795 |
| 28 | 1159073 |
| 29 | 1295871 |
| 30 | 1457935 |
| 31 | 1786691 |
| 32 | 2002645 |
| 33 | 2272221 |