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 | 401 |
| 2 | 439 |
| 3 | 485 |
| 4 | 1921 |
| 5 | 2195 |
| 6 | 2509 |
| 7 | 11125 |
| 8 | 12731 |
| 9 | 14569 |
| 10 | 64829 |
| 11 | 74191 |
| 12 | 84905 |
| 13 | 377849 |
| 14 | 432415 |
| 15 | 494861 |
| 16 | 2202265 |
| 17 | 2520299 |
| 18 | 2884261 |
| 19 | 12835741 |
| 20 | 14689379 |
| 21 | 16810705 |
| 22 | 74812181 |
| 23 | 85615975 |
| 24 | 97979969 |
| 25 | 436037345 |
| 26 | 499006471 |
| 27 | 571069109 |
| 28 | 2541411889 |