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 | 1 |
| 2 | 11 |
| 3 | 12 |
| 4 | 23 |
| 5 | 35 |
| 6 | 58 |
| 7 | 325 |
| 8 | 383 |
| 9 | 4155 |
| 10 | 12848 |
| 11 | 119787 |
| 12 | 132635 |
| 13 | 385057 |
| 14 | 9374003 |
| 15 | 1331493483 |
| 16 | 4003854452 |
| 17 | 5335347935 |
| 18 | 20009898257 |
| 19 | 85374940963 |
| 20 | 105384839220 |
| 21 | 717683976283 |
| 22 | 823068815503 |
| 23 | 4833028053798 |
| 24 | 10489124923099 |
| 25 | 25811277899996 |
| 26 | 36300402823095 |