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 | 0 |
| 1 | 0 |
| 2 | 2 |
| 3 | 16 |
| 4 | 74 |
| 5 | 230 |
| 6 | 562 |
| 7 | 1172 |
| 8 | 2186 |
| 9 | 3754 |
| 10 | 6050 |
| 11 | 9272 |
| 12 | 13642 |
| 13 | 19406 |
| 14 | 26834 |
| 15 | 36220 |
| 16 | 47882 |
| 17 | 62162 |
| 18 | 79426 |
| 19 | 100064 |
| 20 | 124490 |
| 21 | 153142 |
| 22 | 186482 |
| 23 | 224996 |
| 24 | 269194 |
| 25 | 319610 |
| 26 | 376802 |
| 27 | 441352 |
| 28 | 513866 |
| 29 | 594974 |
| 30 | 685330 |
| 31 | 785612 |
| 32 | 896522 |
| 33 | 1018786 |