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 | 7 |
| 2 | 421 |
| 3 | 827 |
| 4 | 4733 |
| 5 | 32831 |
| 6 | 57571 |
| 7 | 228301 |
| 8 | 364751 |
| 9 | 892079 |
| 10 | 1932677 |
| 11 | 2256713 |
| 12 | 3684211 |
| 13 | 4213591 |
| 14 | 6751853 |
| 15 | 7218259 |
| 16 | 7887707 |
| 17 | 8497033 |
| 18 | 15720487 |
| 19 | 19925251 |
| 20 | 21055813 |
| 21 | 28756943 |
| 22 | 29547961 |
| 23 | 47369149 |
| 24 | 51881849 |
| 25 | 55033973 |
| 26 | 57954643 |
| 27 | 59677001 |
| 28 | 63062963 |
| 29 | 74415157 |
| 30 | 88535987 |