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 | 3 |
| 3 | 6 |
| 4 | 11 |
| 5 | 18 |
| 6 | 30 |
| 7 | 46 |
| 8 | 73 |
| 9 | 111 |
| 10 | 170 |
| 11 | 254 |
| 12 | 392 |
| 13 | 574 |
| 14 | 868 |
| 15 | 1294 |
| 16 | 1933 |
| 17 | 2834 |
| 18 | 4267 |
| 19 | 6228 |
| 20 | 9312 |
| 21 | 13674 |
| 22 | 20162 |
| 23 | 29528 |
| 24 | 44132 |
| 25 | 63945 |
| 26 | 94390 |
| 27 | 138562 |
| 28 | 203706 |
| 29 | 296436 |
| 30 | 438976 |
| 31 | 635776 |
| 32 | 936263 |
| 33 | 1367034 |
| 34 | 1997200 |
| 35 | 2907862 |
| 36 | 4290047 |
| 37 | 6192784 |
| 38 | 9070744 |
| 39 | 13248374 |