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 | 2 |
| 1 | 16 |
| 2 | 18 |
| 3 | 34 |
| 4 | 52 |
| 5 | 86 |
| 6 | 138 |
| 7 | 224 |
| 8 | 362 |
| 9 | 586 |
| 10 | 948 |
| 11 | 1534 |
| 12 | 2482 |
| 13 | 4016 |
| 14 | 6498 |
| 15 | 10514 |
| 16 | 17012 |
| 17 | 27526 |
| 18 | 44538 |
| 19 | 72064 |
| 20 | 116602 |
| 21 | 188666 |
| 22 | 305268 |
| 23 | 493934 |
| 24 | 799202 |
| 25 | 1293136 |
| 26 | 2092338 |
| 27 | 3385474 |
| 28 | 5477812 |
| 29 | 8863286 |
| 30 | 14341098 |