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 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 4 |
| 6 | 1 |
| 7 | 11 |
| 8 | 1 |
| 9 | 1 |
| 10 | 29 |
| 11 | 61 |
| 12 | 1 |
| 13 | 1 |
| 14 | 421 |
| 15 | 199 |
| 16 | 1 |
| 17 | 521 |
| 18 | 1 |
| 19 | 83204 |
| 20 | 1 |
| 21 | 19801 |
| 22 | 3571 |
| 23 | 141961 |
| 24 | 1 |
| 25 | 9349 |
| 26 | 135721 |
| 27 | 1 |
| 28 | 10304396 |
| 29 | 1 |
| 30 | 64079 |
| 31 | 1 |
| 32 | 6376021 |
| 33 | 1 |
| 34 | 313671601 |
| 35 | 43701901 |
| 36 | 1149851 |
| 37 | 1 |
| 38 | 1 |
| 39 | 3010349 |
| 40 | 14736206161 |
| 41 | 156055561996 |
| 42 | 1 |
| 43 | 2053059121 |