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 | 3 |
| 1 | 13 |
| 2 | 16 |
| 3 | 29 |
| 4 | 45 |
| 5 | 74 |
| 6 | 119 |
| 7 | 193 |
| 8 | 312 |
| 9 | 505 |
| 10 | 817 |
| 11 | 1322 |
| 12 | 2139 |
| 13 | 3461 |
| 14 | 5600 |
| 15 | 9061 |
| 16 | 14661 |
| 17 | 23722 |
| 18 | 38383 |
| 19 | 62105 |
| 20 | 100488 |
| 21 | 162593 |
| 22 | 263081 |
| 23 | 425674 |
| 24 | 688755 |
| 25 | 1114429 |
| 26 | 1803184 |
| 27 | 2917613 |
| 28 | 4720797 |
| 29 | 7638410 |
| 30 | 12359207 |