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 | 2131991 |
| 2 | 2917927 |
| 3 | 3776273 |
| 4 | 4742407 |
| 5 | 6853409 |
| 6 | 16850609 |
| 7 | 21789233 |
| 8 | 24095791 |
| 9 | 24810251 |
| 10 | 26316233 |
| 11 | 27470537 |
| 12 | 27667529 |
| 13 | 28962127 |
| 14 | 29896439 |
| 15 | 30949327 |
| 16 | 31289527 |
| 17 | 36123853 |
| 18 | 36443893 |
| 19 | 38824913 |
| 20 | 40941233 |
| 21 | 41660009 |
| 22 | 42533551 |
| 23 | 44233193 |
| 24 | 45868967 |
| 25 | 48313567 |
| 26 | 49265009 |
| 27 | 51135991 |