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 | 3 |
| 3 | 129 |
| 4 | 2537 |
| 5 | 51889 |
| 6 | 101617 |
| 7 | 226873 |
| 8 | 270427 |
| 9 | 653467 |
| 10 | 945667 |
| 11 | 1740979 |
| 12 | 5819937 |
| 13 | 6520987 |
| 14 | 9828587 |
| 15 | 15452867 |
| 16 | 24950857 |
| 17 | 51377539 |
| 18 | 89519449 |
| 19 | 108627601 |
| 20 | 135776371 |
| 21 | 160126609 |
| 22 | 296338873 |
| 23 | 310026163 |
| 24 | 400431289 |
| 25 | 641706243 |
| 26 | 643359937 |
| 27 | 678257563 |
| 28 | 803419697 |
| 29 | 902661523 |
| 30 | 952431331 |
| 31 | 1004273987 |
| 32 | 1243893697 |
| 33 | 1796055907 |