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 | 256 |
| 2 | 1024 |
| 3 | 4048 |
| 4 | 14192 |
| 5 | 42653 |
| 6 | 112196 |
| 7 | 265430 |
| 8 | 577464 |
| 9 | 1174730 |
| 10 | 2262312 |
| 11 | 4162792 |
| 12 | 7370432 |
| 13 | 12625472 |
| 14 | 21014456 |
| 15 | 34103820 |
| 16 | 54115508 |
| 17 | 84155145 |
| 18 | 128505312 |
| 19 | 192998760 |
| 20 | 285488992 |
| 21 | 416438559 |
| 22 | 599648684 |
| 23 | 853157474 |
| 24 | 1200338032 |
| 25 | 1671232268 |