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 | 1 |
| 2 | 3 |
| 3 | 7 |
| 4 | 14 |
| 5 | 26 |
| 6 | 47 |
| 7 | 84 |
| 8 | 149 |
| 9 | 264 |
| 10 | 468 |
| 11 | 831 |
| 12 | 1479 |
| 13 | 2637 |
| 14 | 4709 |
| 15 | 8420 |
| 16 | 15069 |
| 17 | 26987 |
| 18 | 48356 |
| 19 | 86677 |
| 20 | 155408 |
| 21 | 278694 |
| 22 | 499851 |
| 23 | 896594 |
| 24 | 1608353 |
| 25 | 2885280 |
| 26 | 5176183 |
| 27 | 9286284 |
| 28 | 16660260 |
| 29 | 29890069 |
| 30 | 53626053 |
| 31 | 96211592 |
| 32 | 172615925 |
| 33 | 309696044 |
| 34 | 555637311 |
| 35 | 996891328 |
| 36 | 1788564939 |