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 | 9 |
| 2 | 12 |
| 3 | 26 |
| 4 | 56 |
| 5 | 76 |
| 6 | 122 |
| 7 | 332 |
| 8 | 992 |
| 9 | 2042 |
| 10 | 3344 |
| 11 | 4336 |
| 12 | 8186 |
| 13 | 16256 |
| 14 | 32762 |
| 15 | 227744 |
| 16 | 266176 |
| 17 | 269072 |
| 18 | 299576 |
| 19 | 856544 |
| 20 | 2097146 |
| 21 | 5385812 |
| 22 | 8388602 |
| 23 | 16580864 |
| 24 | 17895664 |
| 25 | 19173944 |
| 26 | 33554426 |
| 27 | 61008020 |
| 28 | 67100672 |
| 29 | 201931760 |
| 30 | 1074789376 |
| 31 | 1108378592 |
| 32 | 17179738112 |
| 33 | 62472251540 |
| 34 | 68700578816 |