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 | 247099 |
| 2 | 689467 |
| 3 | 1008617 |
| 4 | 1629767 |
| 5 | 1658627 |
| 6 | 2024647 |
| 7 | 2750999 |
| 8 | 2811719 |
| 9 | 2880907 |
| 10 | 2921777 |
| 11 | 3264449 |
| 12 | 3295027 |
| 13 | 3311317 |
| 14 | 3365449 |
| 15 | 3555269 |
| 16 | 3668419 |
| 17 | 4059229 |
| 18 | 4412099 |
| 19 | 4440529 |
| 20 | 4549309 |
| 21 | 4619357 |
| 22 | 4690219 |
| 23 | 4802947 |
| 24 | 4955179 |
| 25 | 5115259 |