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 | 4 |
| 3 | 16 |
| 4 | 256 |
| 5 | 976 |
| 6 | 3256 |
| 7 | 5188 |
| 8 | 11716 |
| 9 | 13366 |
| 10 | 22936 |
| 11 | 65536 |
| 12 | 307396 |
| 13 | 491536 |
| 14 | 589408 |
| 15 | 983776 |
| 16 | 1659586 |
| 17 | 2822716 |
| 18 | 3137356 |
| 19 | 5577826 |
| 20 | 6475456 |
| 21 | 7378372 |
| 22 | 8698096 |
| 23 | 10798726 |
| 24 | 32235736 |
| 25 | 37797436 |
| 26 | 39220126 |
| 27 | 39285436 |
| 28 | 51555136 |
| 29 | 52077196 |
| 30 | 56992552 |
| 31 | 63767926 |
| 32 | 70075996 |
| 33 | 82391002 |