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) |
|---|---|
| 3 | 7 |
| 4 | 22 |
| 5 | 53 |
| 6 | 106 |
| 7 | 187 |
| 8 | 302 |
| 9 | 457 |
| 10 | 658 |
| 11 | 911 |
| 12 | 1222 |
| 13 | 1597 |
| 14 | 2042 |
| 15 | 2563 |
| 16 | 3166 |
| 17 | 3857 |
| 18 | 4642 |
| 19 | 5527 |
| 20 | 6518 |
| 21 | 7621 |
| 22 | 8842 |
| 23 | 10187 |
| 24 | 11662 |
| 25 | 13273 |
| 26 | 15026 |
| 27 | 16927 |
| 28 | 18982 |
| 29 | 21197 |
| 30 | 23578 |
| 31 | 26131 |
| 32 | 28862 |
| 33 | 31777 |
| 34 | 34882 |
| 35 | 38183 |
| 36 | 41686 |
| 37 | 45397 |
| 38 | 49322 |
| 39 | 53467 |
| 40 | 57838 |
| 41 | 62441 |
| 42 | 67282 |
| 43 | 72367 |