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 | 24 |
| 2 | 57 |
| 3 | 204 |
| 4 | 411 |
| 5 | 559 |
| 6 | 2004 |
| 7 | 2440 |
| 8 | 3935 |
| 9 | 6616 |
| 10 | 8640 |
| 11 | 20004 |
| 12 | 34939 |
| 13 | 55827 |
| 14 | 61009 |
| 15 | 64599 |
| 16 | 79747 |
| 17 | 87113 |
| 18 | 87269 |
| 19 | 96513 |
| 20 | 481557 |
| 21 | 621265 |
| 22 | 647532 |
| 23 | 702893 |
| 24 | 704682 |
| 25 | 797465 |
| 26 | 2000004 |
| 27 | 2385120 |
| 28 | 4066960 |
| 29 | 4566616 |
| 30 | 8984375 |
| 31 | 20000004 |
| 32 | 54636003 |
| 33 | 65061605 |