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) |
|---|---|
| 0 | 11 |
| 1 | 56 |
| 2 | 67 |
| 3 | 123 |
| 4 | 682 |
| 5 | 15127 |
| 6 | 76317 |
| 7 | 91444 |
| 8 | 167761 |
| 9 | 930249 |
| 10 | 20633239 |
| 11 | 104096444 |
| 12 | 124729683 |
| 13 | 228826127 |
| 14 | 1268860318 |
| 15 | 28143753123 |
| 16 | 141987625933 |
| 17 | 170131379056 |
| 18 | 312119004989 |
| 19 | 1730726404001 |
| 20 | 38388099893011 |
| 21 | 193671225869056 |
| 22 | 232059325762067 |
| 23 | 425730551631123 |