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 | 1140813701 |
| 2 | 1314331181 |
| 3 | 1729804331 |
| 4 | 2615969891 |
| 5 | 2765625631 |
| 6 | 3827771821 |
| 7 | 4266876641 |
| 8 | 4348917061 |
| 9 | 4700742041 |
| 10 | 4845745831 |
| 11 | 4877408441 |
| 12 | 5311420901 |
| 13 | 5395463741 |
| 14 | 5409482081 |
| 15 | 5693097391 |
| 16 | 5816498981 |
| 17 | 5902417331 |
| 18 | 6173160871 |
| 19 | 6692523011 |
| 20 | 6914652461 |
| 21 | 6960900641 |