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) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 6 |
| 6 | 9 |
| 7 | 14 |
| 8 | 22 |
| 9 | 35 |
| 10 | 56 |
| 11 | 90 |
| 12 | 145 |
| 13 | 234 |
| 14 | 378 |
| 15 | 611 |
| 16 | 988 |
| 17 | 1598 |
| 18 | 2585 |
| 19 | 4182 |
| 20 | 6766 |
| 21 | 10947 |
| 22 | 17712 |
| 23 | 28658 |
| 24 | 46369 |
| 25 | 75026 |
| 26 | 121394 |
| 27 | 196419 |
| 28 | 317812 |
| 29 | 514230 |
| 30 | 832041 |
| 31 | 1346270 |
| 32 | 2178310 |
| 33 | 3524579 |
| 34 | 5702888 |
| 35 | 9227466 |
| 36 | 14930353 |
| 37 | 24157818 |
| 38 | 39088170 |
| 39 | 63245987 |
| 40 | 102334156 |