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 | 2 |
| 2 | 310 |
| 3 | 453 |
| 4 | 548 |
| 5 | 691 |
| 6 | 856 |
| 7 | 4382 |
| 8 | 5619 |
| 9 | 72730 |
| 10 | 346533 |
| 11 | 653468 |
| 12 | 9090908 |
| 13 | 94117646 |
| 14 | 334665333 |
| 15 | 336032387 |
| 16 | 378253328 |
| 17 | 390977442 |
| 18 | 439928491 |
| 19 | 483516486 |
| 20 | 516483515 |
| 21 | 560071510 |
| 22 | 609022559 |
| 23 | 621746673 |
| 24 | 663967614 |
| 25 | 665334668 |