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 | 38 |
| 2 | 146 |
| 3 | 578 |
| 4 | 2306 |
| 5 | 9218 |
| 6 | 36866 |
| 7 | 147458 |
| 8 | 589826 |
| 9 | 2359298 |
| 10 | 9437186 |
| 11 | 37748738 |
| 12 | 150994946 |
| 13 | 603979778 |
| 14 | 2415919106 |
| 15 | 9663676418 |
| 16 | 38654705666 |
| 17 | 154618822658 |
| 18 | 618475290626 |
| 19 | 2473901162498 |
| 20 | 9895604649986 |
| 21 | 39582418599938 |
| 22 | 158329674399746 |
| 23 | 633318697598978 |
| 24 | 2533274790395906 |