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 | 0 |
| 2 | 5 |
| 3 | 7 |
| 4 | 12 |
| 5 | 155 |
| 6 | 301 |
| 7 | 444 |
| 8 | 5921 |
| 9 | 11395 |
| 10 | 16872 |
| 11 | 224807 |
| 12 | 432745 |
| 13 | 640680 |
| 14 | 8536781 |
| 15 | 16432879 |
| 16 | 24328980 |
| 17 | 324172835 |
| 18 | 624016693 |
| 19 | 923860548 |
| 20 | 12310030985 |
| 21 | 23696201419 |
| 22 | 35082371856 |
| 23 | 467457004559 |
| 24 | 899831637265 |
| 25 | 1332206269968 |
| 26 | 17751056142293 |