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 | 17 |
| 2 | 87 |
| 3 | 287 |
| 4 | 742 |
| 5 | 1638 |
| 6 | 3234 |
| 7 | 5874 |
| 8 | 9999 |
| 9 | 16159 |
| 10 | 25025 |
| 11 | 37401 |
| 12 | 54236 |
| 13 | 76636 |
| 14 | 105876 |
| 15 | 143412 |
| 16 | 190893 |
| 17 | 250173 |
| 18 | 323323 |
| 19 | 412643 |
| 20 | 520674 |
| 21 | 650210 |
| 22 | 804310 |
| 23 | 986310 |
| 24 | 1199835 |
| 25 | 1448811 |
| 26 | 1737477 |
| 27 | 2070397 |
| 28 | 2452472 |
| 29 | 2888952 |
| 30 | 3385448 |
| 31 | 3947944 |
| 32 | 4582809 |
| 33 | 5296809 |
| 34 | 6097119 |