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 | 5 |
| 5 | 9 |
| 6 | 17 |
| 7 | 32 |
| 8 | 60 |
| 9 | 113 |
| 10 | 213 |
| 11 | 401 |
| 12 | 755 |
| 13 | 1422 |
| 14 | 2678 |
| 15 | 5043 |
| 16 | 9497 |
| 17 | 17885 |
| 18 | 33681 |
| 19 | 63428 |
| 20 | 119448 |
| 21 | 224945 |
| 22 | 423617 |
| 23 | 797757 |
| 24 | 1502339 |
| 25 | 2829210 |
| 26 | 5327978 |
| 27 | 10033667 |
| 28 | 18895437 |
| 29 | 35583953 |
| 30 | 67011825 |
| 31 | 126196904 |
| 32 | 237654452 |
| 33 | 447551697 |
| 34 | 842830925 |