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 | 8 |
| 1 | 7 |
| 2 | 110 |
| 3 | 40 |
| 4 | 1497 |
| 5 | 894 |
| 6 | 315 |
| 7 | 48 |
| 8 | 166107 |
| 9 | 95853 |
| 10 | 63609 |
| 11 | 71589 |
| 12 | 492348 |
| 13 | 209628 |
| 14 | 388440 |
| 15 | 48853 |
| 16 | 6118793 |
| 17 | 2684186 |
| 18 | 25787045 |
| 19 | 49643800 |
| 20 | 54302036 |
| 21 | 3969770538 |
| 22 | 17592956651 |
| 23 | 7347360617 |
| 24 | 991255542 |
| 25 | 8249087392 |
| 26 | 11518171450 |
| 27 | 51385581002 |
| 28 | 2268777293 |
| 29 | 21252616802 |
| 30 | 2822082710511 |