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) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 3 |
| 3 | 4 |
| 4 | 5 |
| 5 | 8 |
| 6 | 25 |
| 7 | 27 |
| 8 | 28 |
| 9 | 397 |
| 10 | 400 |
| 11 | 402 |
| 12 | 403 |
| 13 | 405 |
| 14 | 1398 |
| 15 | 1399 |
| 16 | 1401 |
| 17 | 11300 |
| 18 | 11307 |
| 19 | 11309 |
| 20 | 11310 |
| 21 | 11315 |
| 22 | 44839 |
| 23 | 44840 |
| 24 | 44842 |
| 25 | 1447644 |
| 26 | 6237276 |
| 27 | 6237278 |
| 28 | 9113438 |
| 29 | 9113440 |
| 30 | 9113441 |
| 31 | 60850032 |
| 32 | 176139461 |
| 33 | 525738914 |
| 34 | 525738917 |
| 35 | 2492039442 |
| 36 | 2492039443 |
| 37 | 2492039444 |
| 38 | 2492039446 |