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 | 1 |
| 1 | 1 |
| 2 | 5 |
| 3 | 6 |
| 4 | 101 |
| 5 | 107 |
| 6 | 529 |
| 7 | 636 |
| 8 | 10705 |
| 9 | 11341 |
| 10 | 56069 |
| 11 | 67410 |
| 12 | 1134629 |
| 13 | 1202039 |
| 14 | 5942785 |
| 15 | 7144824 |
| 16 | 120259969 |
| 17 | 127404793 |
| 18 | 629879141 |
| 19 | 757283934 |
| 20 | 12746422085 |
| 21 | 13503706019 |
| 22 | 66761246161 |
| 23 | 80264952180 |
| 24 | 1351000481041 |
| 25 | 1431265433221 |
| 26 | 7076062213925 |
| 27 | 8507327647146 |