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 | 172331 |
| 2 | 233141 |
| 3 | 717989 |
| 4 | 137149157 |
| 5 | 191197211 |
| 6 | 197211227 |
| 7 | 223229239 |
| 8 | 229239251 |
| 9 | 257269277 |
| 10 | 331347353 |
| 11 | 353367379 |
| 12 | 359373383 |
| 13 | 467487499 |
| 14 | 521541557 |
| 15 | 617631643 |
| 16 | 619641647 |
| 17 | 647659673 |
| 18 | 677691709 |
| 19 | 733743757 |
| 20 | 787809821 |
| 21 | 797811823 |
| 22 | 103310491061 |
| 23 | 106110691091 |
| 24 | 109711091123 |