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 | 5187 |
| 2 | 5313 |
| 3 | 273525 |
| 4 | 292005 |
| 5 | 494715 |
| 6 | 536055 |
| 7 | 657855 |
| 8 | 2379975 |
| 9 | 3045075 |
| 10 | 9960045 |
| 11 | 15091545 |
| 12 | 19420665 |
| 13 | 23977305 |
| 14 | 28292745 |
| 15 | 45864225 |
| 16 | 62361495 |
| 17 | 81758325 |
| 18 | 93794715 |
| 19 | 213205575 |
| 20 | 309227655 |
| 21 | 602444325 |
| 22 | 806687427 |
| 23 | 1375738845 |
| 24 | 1411639047 |
| 25 | 1538174925 |
| 26 | 1589814975 |
| 27 | 1628145057 |