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 | 219605251 |
| 2 | 293268301 |
| 3 | 370049371 |
| 4 | 383483101 |
| 5 | 451428301 |
| 6 | 533723371 |
| 7 | 560941021 |
| 8 | 677810041 |
| 9 | 722238661 |
| 10 | 734682901 |
| 11 | 734901421 |
| 12 | 826629421 |
| 13 | 844272001 |
| 14 | 886323091 |
| 15 | 936056221 |
| 16 | 1117983421 |
| 17 | 1121000761 |
| 18 | 1137522541 |
| 19 | 1163531461 |
| 20 | 1178675821 |
| 21 | 1239072481 |
| 22 | 1246249621 |