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 | 4 |
| 3 | 6 |
| 4 | 10 |
| 5 | 16 |
| 6 | 24 |
| 7 | 36 |
| 8 | 56 |
| 9 | 80 |
| 10 | 118 |
| 11 | 174 |
| 12 | 254 |
| 13 | 378 |
| 14 | 554 |
| 15 | 802 |
| 16 | 1168 |
| 17 | 1716 |
| 18 | 2502 |
| 19 | 3650 |
| 20 | 5324 |
| 21 | 7754 |
| 22 | 11320 |
| 23 | 16502 |
| 24 | 24054 |
| 25 | 35058 |
| 26 | 51144 |
| 27 | 74540 |
| 28 | 108664 |
| 29 | 158372 |
| 30 | 230800 |
| 31 | 336480 |
| 32 | 490458 |
| 33 | 714856 |
| 34 | 1041910 |
| 35 | 1518840 |
| 36 | 2213868 |
| 37 | 3226896 |
| 38 | 4703372 |
| 39 | 6855388 |
| 40 | 9992596 |