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 | 0 |
| 2 | 2 |
| 3 | 2 |
| 4 | 4 |
| 5 | 5 |
| 6 | 7 |
| 7 | 10 |
| 8 | 15 |
| 9 | 21 |
| 10 | 30 |
| 11 | 46 |
| 12 | 66 |
| 13 | 98 |
| 14 | 146 |
| 15 | 218 |
| 16 | 329 |
| 17 | 500 |
| 18 | 757 |
| 19 | 1158 |
| 20 | 1766 |
| 21 | 2716 |
| 22 | 4164 |
| 23 | 6420 |
| 24 | 9907 |
| 25 | 15320 |
| 26 | 23760 |
| 27 | 36878 |
| 28 | 57356 |
| 29 | 89288 |
| 30 | 139283 |
| 31 | 217506 |
| 32 | 340059 |
| 33 | 532321 |
| 34 | 834147 |
| 35 | 1308186 |
| 36 | 2053958 |
| 37 | 3227229 |
| 38 | 5075229 |
| 39 | 7987852 |
| 40 | 12581575 |
| 41 | 19831014 |