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 | 157 |
| 2 | 523 |
| 3 | 1249 |
| 4 | 1483 |
| 5 | 1753 |
| 6 | 4051 |
| 7 | 9187 |
| 8 | 10531 |
| 9 | 22921 |
| 10 | 25981 |
| 11 | 29599 |
| 12 | 35899 |
| 13 | 51031 |
| 14 | 57751 |
| 15 | 67579 |
| 16 | 79939 |
| 17 | 98323 |
| 18 | 103561 |
| 19 | 110581 |
| 20 | 148471 |
| 21 | 150193 |
| 22 | 150343 |
| 23 | 249703 |
| 24 | 259183 |
| 25 | 277063 |
| 26 | 278623 |
| 27 | 331081 |
| 28 | 335833 |
| 29 | 353401 |
| 30 | 391903 |
| 31 | 424819 |
| 32 | 435553 |
| 33 | 504547 |