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 | 722 |
| 2 | 3107 |
| 3 | 17667 |
| 4 | 45603 |
| 5 | 126723 |
| 6 | 242403 |
| 7 | 493683 |
| 8 | 1117443 |
| 9 | 1910643 |
| 10 | 3504963 |
| 11 | 5623443 |
| 12 | 8118723 |
| 13 | 11124243 |
| 14 | 16188963 |
| 15 | 24887523 |
| 16 | 33853683 |
| 17 | 46114323 |
| 18 | 59408643 |
| 19 | 73961043 |
| 20 | 92760003 |
| 21 | 114806643 |
| 22 | 149150643 |
| 23 | 198729843 |
| 24 | 255331923 |
| 25 | 305140563 |