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 | 370851481 |
| 2 | 1310486905 |
| 3 | 1452092005 |
| 4 | 1553860945 |
| 5 | 2719940041 |
| 6 | 3328293745 |
| 7 | 3860623585 |
| 8 | 5394826801 |
| 9 | 5612626041 |
| 10 | 5659475185 |
| 11 | 6295936465 |
| 12 | 8857509661 |
| 13 | 9234602385 |
| 14 | 10780911505 |
| 15 | 10975165201 |
| 16 | 11718888181 |
| 17 | 12254138065 |
| 18 | 12416553721 |
| 19 | 12452890681 |
| 20 | 13577445505 |
| 21 | 14795826661 |