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 | 4 |
| 1 | 16 |
| 2 | 52 |
| 3 | 137 |
| 4 | 308 |
| 5 | 624 |
| 6 | 1154 |
| 7 | 1999 |
| 8 | 3278 |
| 9 | 5144 |
| 10 | 7772 |
| 11 | 11387 |
| 12 | 16230 |
| 13 | 22602 |
| 14 | 30830 |
| 15 | 41303 |
| 16 | 54440 |
| 17 | 70734 |
| 18 | 90706 |
| 19 | 114963 |
| 20 | 144146 |
| 21 | 178984 |
| 22 | 220244 |
| 23 | 268797 |
| 24 | 325548 |
| 25 | 391514 |
| 26 | 467756 |
| 27 | 555449 |
| 28 | 655816 |
| 29 | 770208 |
| 30 | 900020 |
| 31 | 1046787 |
| 32 | 1212094 |
| 33 | 1397668 |