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 | 12 |
| 1 | 37 |
| 2 | 86 |
| 3 | 639 |
| 4 | 725 |
| 5 | 2814 |
| 6 | 11981 |
| 7 | 14795 |
| 8 | 26776 |
| 9 | 41571 |
| 10 | 484057 |
| 11 | 525628 |
| 12 | 1009685 |
| 13 | 1535313 |
| 14 | 7150937 |
| 15 | 22988124 |
| 16 | 30139061 |
| 17 | 233961551 |
| 18 | 498062163 |
| 19 | 1728148040 |
| 20 | 41973615123 |
| 21 | 127648993409 |
| 22 | 297271601941 |
| 23 | 2208550206996 |