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 | 3 |
| 2 | 7 |
| 3 | 78 |
| 4 | 80919 |
| 5 | 91809 |
| 6 | 326510 |
| 7 | 475025 |
| 8 | 524975 |
| 9 | 673490 |
| 10 | 4323777 |
| 11 | 4767132 |
| 12 | 5232868 |
| 13 | 5676223 |
| 14 | 4083911141 |
| 15 | 4975000250 |
| 16 | 5024999750 |
| 17 | 5916088859 |
| 18 | 9503960496 |
| 19 | 9604950396 |
| 20 | 4186904462792 |
| 21 | 4313465946775 |
| 22 | 5686534053225 |
| 23 | 5813095537208 |
| 24 | 7504715871407 |
| 25 | 7631277355390 |