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) |
|---|---|
| 11 | 2 |
| 12 | 11 |
| 13 | 58 |
| 14 | 0 |
| 15 | 21 |
| 16 | 1020 |
| 17 | 9309 |
| 18 | 1481 |
| 19 | 34162 |
| 20 | 1295034 |
| 21 | 1067638 |
| 22 | 2213327 |
| 23 | 50139185 |
| 24 | 682189688 |
| 25 | 144994543 |
| 26 | 2607067351 |
| 27 | 53099426601 |
| 28 | 34524432316 |
| 29 | 57716933870 |
| 30 | 1388556345255 |
| 31 | 16330667126220 |
| 32 | 3697750041989 |
| 33 | 70341043737487 |
| 34 | 1662805965511580 |
| 35 | 1250063279938854 |
| 36 | 2122662114673944 |