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 | 161038 |
| 2 | 9115426 |
| 3 | 143742226 |
| 4 | 665387746 |
| 5 | 1105826338 |
| 6 | 3434672242 |
| 7 | 11675882626 |
| 8 | 16732427362 |
| 9 | 18411253246 |
| 10 | 81473324626 |
| 11 | 85898088046 |
| 12 | 98730252226 |
| 13 | 134744844466 |
| 14 | 136767694402 |
| 15 | 161097973246 |
| 16 | 183689075122 |
| 17 | 315554044786 |
| 18 | 553588254766 |
| 19 | 778581406786 |
| 20 | 1077392692846 |