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 | 1 |
| 2 | 82 |
| 3 | 866 |
| 4 | 6195 |
| 5 | 22071 |
| 6 | 85575 |
| 7 | 203911 |
| 8 | 546136 |
| 9 | 1119185 |
| 10 | 2405141 |
| 11 | 4179365 |
| 12 | 8357301 |
| 13 | 13188505 |
| 14 | 22773721 |
| 15 | 35220505 |
| 16 | 57132266 |
| 17 | 81279662 |
| 18 | 127696631 |
| 19 | 174756231 |
| 20 | 259359435 |
| 21 | 352134859 |
| 22 | 495847003 |
| 23 | 643907227 |
| 24 | 912211627 |
| 25 | 1160305628 |
| 26 | 1551633152 |
| 27 | 1969426752 |
| 28 | 2600039296 |