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 | 2 |
| 2 | 9 |
| 3 | 21 |
| 4 | 43 |
| 5 | 80 |
| 6 | 142 |
| 7 | 244 |
| 8 | 411 |
| 9 | 683 |
| 10 | 1125 |
| 11 | 1842 |
| 12 | 3004 |
| 13 | 4886 |
| 14 | 7933 |
| 15 | 12865 |
| 16 | 20847 |
| 17 | 33764 |
| 18 | 54666 |
| 19 | 88488 |
| 20 | 143215 |
| 21 | 231767 |
| 22 | 375049 |
| 23 | 606886 |
| 24 | 982008 |
| 25 | 1588970 |
| 26 | 2571057 |
| 27 | 4160109 |
| 28 | 6731251 |
| 29 | 10891448 |
| 30 | 17622790 |
| 31 | 28514332 |
| 32 | 46137219 |
| 33 | 74651651 |
| 34 | 120788973 |
| 35 | 195440730 |
| 36 | 316229812 |