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 | 336 |
| 2 | 600 |
| 3 | 1124 |
| 4 | 2164 |
| 5 | 4228 |
| 6 | 8440 |
| 7 | 16932 |
| 8 | 34068 |
| 9 | 68688 |
| 10 | 139040 |
| 11 | 281646 |
| 12 | 570720 |
| 13 | 1157028 |
| 14 | 2347720 |
| 15 | 4764538 |
| 16 | 9669762 |
| 17 | 19627304 |
| 18 | 39846710 |
| 19 | 80899690 |
| 20 | 164248362 |
| 21 | 333480544 |
| 22 | 677107822 |
| 23 | 1374849942 |
| 24 | 2791574878 |
| 25 | 5668275372 |
| 26 | 11509431434 |