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 | 2 |
| 4 | 3 |
| 5 | 6 |
| 6 | 10 |
| 7 | 20 |
| 8 | 35 |
| 9 | 68 |
| 10 | 122 |
| 11 | 234 |
| 12 | 426 |
| 13 | 808 |
| 14 | 1484 |
| 15 | 2798 |
| 16 | 5167 |
| 17 | 9700 |
| 18 | 17974 |
| 19 | 33656 |
| 20 | 62498 |
| 21 | 116826 |
| 22 | 217236 |
| 23 | 405646 |
| 24 | 754938 |
| 25 | 1408736 |
| 26 | 2623188 |
| 27 | 4892848 |
| 28 | 9114036 |
| 29 | 16995110 |
| 30 | 31664136 |
| 31 | 59034488 |
| 32 | 110004243 |
| 33 | 205068892 |
| 34 | 382156686 |
| 35 | 712363344 |
| 36 | 1327600346 |
| 37 | 2474618434 |