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 | 709 |
| 2 | 5381 |
| 3 | 52711 |
| 4 | 167449 |
| 5 | 648391 |
| 6 | 1128889 |
| 7 | 2269733 |
| 8 | 3042161 |
| 9 | 4535189 |
| 10 | 7474967 |
| 11 | 9737333 |
| 12 | 14161729 |
| 13 | 17624813 |
| 14 | 19734581 |
| 15 | 23391799 |
| 16 | 29499439 |
| 17 | 37139213 |
| 18 | 38790341 |
| 19 | 50728129 |
| 20 | 56011909 |
| 21 | 59053067 |
| 22 | 68425619 |
| 23 | 77557187 |
| 24 | 87019979 |
| 25 | 101146501 |
| 26 | 113256643 |
| 27 | 119535373 |
| 28 | 127065427 |