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 | 63973 |
| 2 | 18162001 |
| 3 | 26921089 |
| 4 | 133205761 |
| 5 | 225745345 |
| 6 | 490503601 |
| 7 | 496050841 |
| 8 | 698548201 |
| 9 | 1031750401 |
| 10 | 1100674561 |
| 11 | 1384157161 |
| 12 | 2178944461 |
| 13 | 3805181281 |
| 14 | 11351100241 |
| 15 | 12648201841 |
| 16 | 26498875681 |
| 17 | 26542598401 |
| 18 | 28553256865 |
| 19 | 28645206001 |
| 20 | 37590868801 |
| 21 | 39866123377 |
| 22 | 40527674881 |