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 | 21880 |
| 2 | 29868 |
| 3 | 32427 |
| 4 | 43523 |
| 5 | 48439 |
| 6 | 48440 |
| 7 | 59983 |
| 8 | 64870 |
| 9 | 74392 |
| 10 | 100537 |
| 11 | 102387 |
| 12 | 102388 |
| 13 | 124494 |
| 14 | 131591 |
| 15 | 140744 |
| 16 | 140745 |
| 17 | 141919 |
| 18 | 147343 |
| 19 | 151265 |
| 20 | 161077 |
| 21 | 162317 |
| 22 | 166974 |
| 23 | 180722 |
| 24 | 194824 |
| 25 | 200045 |
| 26 | 226102 |
| 27 | 250129 |
| 28 | 250130 |
| 29 | 252499 |
| 30 | 252500 |
| 31 | 252501 |