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 | 7 |
| 2 | 29 |
| 3 | 91 |
| 4 | 239 |
| 5 | 553 |
| 6 | 1163 |
| 7 | 2269 |
| 8 | 4166 |
| 9 | 7274 |
| 10 | 12174 |
| 11 | 19650 |
| 12 | 30738 |
| 13 | 46782 |
| 14 | 69498 |
| 15 | 101046 |
| 16 | 144111 |
| 17 | 201993 |
| 18 | 278707 |
| 19 | 379093 |
| 20 | 508937 |
| 21 | 675103 |
| 22 | 885677 |
| 23 | 1150123 |
| 24 | 1479452 |
| 25 | 1886404 |
| 26 | 2385644 |
| 27 | 2993972 |