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 | 1 |
| 3 | 3 |
| 4 | 8 |
| 5 | 19 |
| 6 | 45 |
| 7 | 110 |
| 8 | 259 |
| 9 | 614 |
| 10 | 1466 |
| 11 | 3479 |
| 12 | 8239 |
| 13 | 19581 |
| 14 | 46445 |
| 15 | 110209 |
| 16 | 261555 |
| 17 | 620649 |
| 18 | 1472597 |
| 19 | 3494663 |
| 20 | 8292514 |
| 21 | 19677729 |
| 22 | 46694303 |
| 23 | 110804310 |
| 24 | 262932172 |
| 25 | 623928374 |
| 26 | 1480555791 |
| 27 | 3513297447 |
| 28 | 8336903884 |
| 29 | 19783134767 |
| 30 | 46944538382 |
| 31 | 111397439864 |
| 32 | 264341463510 |