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 | 13 |
| 2 | 31 |
| 3 | 2801 |
| 4 | 3541 |
| 5 | 5113 |
| 6 | 10303 |
| 7 | 17293 |
| 8 | 30941 |
| 9 | 88741 |
| 10 | 292561 |
| 11 | 732541 |
| 12 | 1191373 |
| 13 | 1395943 |
| 14 | 2922391 |
| 15 | 3281533 |
| 16 | 7450171 |
| 17 | 7781311 |
| 18 | 12190573 |
| 19 | 15916111 |
| 20 | 22292563 |
| 21 | 28792661 |
| 22 | 67757593 |
| 23 | 93886411 |
| 24 | 103052953 |
| 25 | 112137511 |
| 26 | 124802413 |
| 27 | 135059263 |
| 28 | 181427431 |