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 | 256 |
| 2 | 840 |
| 3 | 2028 |
| 4 | 4184 |
| 5 | 7834 |
| 6 | 13720 |
| 7 | 22866 |
| 8 | 36656 |
| 9 | 56925 |
| 10 | 86064 |
| 11 | 127140 |
| 12 | 184032 |
| 13 | 261584 |
| 14 | 365776 |
| 15 | 503914 |
| 16 | 684840 |
| 17 | 919163 |
| 18 | 1219512 |
| 19 | 1600812 |
| 20 | 2080584 |
| 21 | 2679270 |
| 22 | 3420584 |
| 23 | 4331890 |
| 24 | 5444608 |
| 25 | 6794649 |
| 26 | 8422880 |
| 27 | 10375620 |
| 28 | 12705168 |
| 29 | 15470364 |