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 | 10 |
| 2 | 56 |
| 3 | 214 |
| 4 | 641 |
| 5 | 1620 |
| 6 | 3616 |
| 7 | 7340 |
| 8 | 13825 |
| 9 | 24510 |
| 10 | 41336 |
| 11 | 66850 |
| 12 | 104321 |
| 13 | 157864 |
| 14 | 232576 |
| 15 | 334680 |
| 16 | 471681 |
| 17 | 652530 |
| 18 | 887800 |
| 19 | 1189870 |
| 20 | 1573121 |
| 21 | 2054140 |
| 22 | 2651936 |
| 23 | 3388164 |
| 24 | 4287361 |
| 25 | 5377190 |
| 26 | 6688696 |
| 27 | 8256570 |
| 28 | 10119425 |
| 29 | 12320080 |
| 30 | 14905856 |
| 31 | 17928880 |
| 32 | 21446401 |