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 | 3657500101 |
| 2 | 12055296811267 |
| 3 | 156740126985437 |
| 4 | 575411103069067 |
| 5 | 966399998477597 |
| 6 | 1841803943951113 |
| 7 | 4176603711876241 |
| 8 | 6373890505436101 |
| 9 | 7910004791442043 |
| 10 | 10613343313176589 |
| 11 | 15000987504638299 |
| 12 | 23825707567607467 |
| 13 | 25462803625208449 |
| 14 | 30634679101122821 |
| 15 | 41400950264534519 |
| 16 | 49969246522326097 |