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 | 6563 |
| 3 | 72353 |
| 4 | 137633 |
| 5 | 787811 |
| 6 | 1745153 |
| 7 | 7444673 |
| 8 | 44726593 |
| 9 | 49202147 |
| 10 | 61503553 |
| 11 | 86093443 |
| 12 | 91858243 |
| 13 | 100006817 |
| 14 | 100072097 |
| 15 | 101686177 |
| 16 | 107444417 |
| 17 | 143046977 |
| 18 | 200006561 |
| 19 | 214756067 |
| 20 | 257412163 |
| 21 | 300452323 |
| 22 | 430372577 |
| 23 | 431661313 |
| 24 | 435812033 |
| 25 | 447149537 |
| 26 | 452523713 |
| 27 | 489805633 |
| 28 | 530372321 |
| 29 | 744340577 |