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 | 1 |
| 1 | 34 |
| 2 | 821 |
| 3 | 852 |
| 4 | 922 |
| 5 | 1165 |
| 6 | 1404 |
| 7 | 1914 |
| 8 | 2562 |
| 9 | 4618 |
| 10 | 7450 |
| 11 | 14979 |
| 12 | 22803 |
| 13 | 38778 |
| 14 | 54826 |
| 15 | 85506 |
| 16 | 123690 |
| 17 | 191034 |
| 18 | 298131 |
| 19 | 470051 |
| 20 | 773762 |
| 21 | 1207994 |
| 22 | 1972850 |
| 23 | 3009562 |
| 24 | 4793090 |
| 25 | 7277059 |
| 26 | 11448307 |
| 27 | 17673010 |
| 28 | 27794938 |
| 29 | 43769170 |
| 30 | 68676058 |