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 | 1373 |
| 2 | 433729 |
| 3 | 615343 |
| 4 | 797161 |
| 5 | 837367 |
| 6 | 897971 |
| 7 | 149137127 |
| 8 | 193181173 |
| 9 | 227211197 |
| 10 | 337317311 |
| 11 | 367353347 |
| 12 | 401389379 |
| 13 | 443433421 |
| 14 | 557541521 |
| 15 | 577569557 |
| 16 | 587571563 |
| 17 | 757743733 |
| 18 | 811797773 |
| 19 | 823811797 |
| 20 | 10191009991 |
| 21 | 10211013997 |
| 22 | 116311511123 |
| 23 | 120111871171 |
| 24 | 130713011291 |