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 | 386 |
| 2 | 646 |
| 3 | 1110 |
| 4 | 1926 |
| 5 | 3354 |
| 6 | 5842 |
| 7 | 10154 |
| 8 | 17578 |
| 9 | 30256 |
| 10 | 51692 |
| 11 | 87508 |
| 12 | 148556 |
| 13 | 253348 |
| 14 | 433455 |
| 15 | 743027 |
| 16 | 1274970 |
| 17 | 2188430 |
| 18 | 3755600 |
| 19 | 6441345 |
| 20 | 11038715 |
| 21 | 18900654 |
| 22 | 32346074 |
| 23 | 55355775 |
| 24 | 94759703 |
| 25 | 162266073 |
| 26 | 277937560 |
| 27 | 476145196 |
| 28 | 815757624 |