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 | 3240392401 |
| 2 | 13577445505 |
| 3 | 14446721521 |
| 4 | 84127131361 |
| 5 | 203340265921 |
| 6 | 241420757761 |
| 7 | 334797586201 |
| 8 | 381334973041 |
| 9 | 461912170321 |
| 10 | 1838314142785 |
| 11 | 3636869821201 |
| 12 | 10285271821441 |
| 13 | 17624045440981 |
| 14 | 18773053896961 |
| 15 | 20137015596061 |
| 16 | 24811804945201 |
| 17 | 26863480687681 |
| 18 | 35598629998801 |