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) |
|---|---|
| 0 | 0 |
| 1 | 127 |
| 2 | 2059 |
| 3 | 16129 |
| 4 | 75811 |
| 5 | 277495 |
| 6 | 804973 |
| 7 | 2078455 |
| 8 | 4702531 |
| 9 | 9905365 |
| 10 | 19188793 |
| 11 | 35533303 |
| 12 | 61846723 |
| 13 | 104511583 |
| 14 | 168681913 |
| 15 | 266042113 |
| 16 | 405259513 |
| 17 | 607140745 |
| 18 | 883046011 |
| 19 | 1269174145 |
| 20 | 1780715833 |
| 21 | 2472697501 |
| 22 | 3366818491 |
| 23 | 4548464341 |