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 | 2 |
| 2 | 3 |
| 3 | 7 |
| 4 | 17 |
| 5 | 37 |
| 6 | 71 |
| 7 | 137 |
| 8 | 251 |
| 9 | 457 |
| 10 | 823 |
| 11 | 1459 |
| 12 | 2579 |
| 13 | 4483 |
| 14 | 7789 |
| 15 | 13463 |
| 16 | 23143 |
| 17 | 39769 |
| 18 | 67927 |
| 19 | 115823 |
| 20 | 196681 |
| 21 | 333227 |
| 22 | 563971 |
| 23 | 951553 |
| 24 | 1603471 |
| 25 | 2696653 |
| 26 | 4528921 |
| 27 | 7594759 |
| 28 | 12717701 |
| 29 | 21275489 |
| 30 | 35548187 |
| 31 | 59328121 |
| 32 | 98921047 |
| 33 | 164781917 |