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 | 5 |
| 2 | 25601 |
| 3 | 193601 |
| 4 | 1144901 |
| 5 | 1464101 |
| 6 | 4326401 |
| 7 | 6100901 |
| 8 | 12390401 |
| 9 | 23522501 |
| 10 | 72931601 |
| 11 | 127012901 |
| 12 | 245862401 |
| 13 | 256960901 |
| 14 | 351937601 |
| 15 | 441840401 |
| 16 | 732784901 |
| 17 | 802588901 |
| 18 | 951722501 |
| 19 | 1621672901 |
| 20 | 2024100101 |
| 21 | 2070250001 |
| 22 | 2217468101 |
| 23 | 2219352101 |
| 24 | 2428518401 |
| 25 | 2930056901 |
| 26 | 2963713601 |