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 | 5 |
| 3 | 10 |
| 4 | 19 |
| 5 | 34 |
| 6 | 58 |
| 7 | 96 |
| 8 | 152 |
| 9 | 240 |
| 10 | 361 |
| 11 | 548 |
| 12 | 795 |
| 13 | 1164 |
| 14 | 1647 |
| 15 | 2354 |
| 16 | 3243 |
| 17 | 4534 |
| 18 | 6150 |
| 19 | 8420 |
| 20 | 11240 |
| 21 | 15156 |
| 22 | 19938 |
| 23 | 26514 |
| 24 | 34513 |
| 25 | 45260 |
| 26 | 58298 |
| 27 | 75704 |
| 28 | 96515 |
| 29 | 124064 |
| 30 | 157072 |
| 31 | 199894 |
| 32 | 251097 |
| 33 | 317278 |
| 34 | 395625 |
| 35 | 496184 |
| 36 | 615229 |
| 37 | 765836 |
| 38 | 944045 |
| 39 | 1168792 |
| 40 | 1432439 |