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 | 2 |
| 2 | 8 |
| 3 | 46692 |
| 4 | 58896 |
| 5 | 59949 |
| 6 | 186633 |
| 7 | 186673 |
| 8 | 949968 |
| 9 | 1587616 |
| 10 | 2989584 |
| 11 | 58988961 |
| 12 | 245878784 |
| 13 | 914457625 |
| 14 | 2439577764 |
| 15 | 2754991369 |
| 16 | 4161798288 |
| 17 | 4161798468 |
| 18 | 4629457984 |
| 19 | 4897936656 |
| 20 | 29859851664 |
| 21 | 34828536976 |
| 22 | 41664977536 |
| 23 | 59998484736 |
| 24 | 96745892625 |
| 25 | 134994579556 |