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 | 2 |
| 3 | 6 |
| 4 | 7 |
| 5 | 12 |
| 6 | 14 |
| 7 | 181 |
| 8 | 1053 |
| 9 | 1057 |
| 10 | 2614 |
| 11 | 40089 |
| 12 | 40114 |
| 13 | 40117 |
| 14 | 40119 |
| 15 | 100346 |
| 16 | 100352 |
| 17 | 100358 |
| 18 | 251707 |
| 19 | 251742 |
| 20 | 251743 |
| 21 | 251754 |
| 22 | 251757 |
| 23 | 1617173 |
| 24 | 4124458 |
| 25 | 10553513 |
| 26 | 27067262 |
| 27 | 27067272 |
| 28 | 179992922 |
| 29 | 179992932 |
| 30 | 179993012 |
| 31 | 179993172 |
| 32 | 3140421806 |
| 33 | 3140421838 |
| 34 | 3140421866 |
| 35 | 3140421872 |
| 36 | 55762149076 |
| 37 | 145935689366 |