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 | 1 |
| 2 | 3 |
| 3 | 5 |
| 4 | 16 |
| 5 | 16 |
| 6 | 76 |
| 7 | 53 |
| 8 | 218 |
| 9 | 303 |
| 10 | 750 |
| 11 | 412 |
| 12 | 3680 |
| 13 | 1361 |
| 14 | 5015 |
| 15 | 9206 |
| 16 | 23162 |
| 17 | 8290 |
| 18 | 66166 |
| 19 | 19936 |
| 20 | 161656 |
| 21 | 192181 |
| 22 | 236007 |
| 23 | 100730 |
| 24 | 1338186 |
| 25 | 819694 |
| 26 | 1180478 |
| 27 | 1924986 |
| 28 | 5215844 |
| 29 | 1246468 |
| 30 | 17370367 |
| 31 | 3098322 |
| 32 | 24926724 |
| 33 | 23473968 |
| 34 | 24790503 |
| 35 | 41886304 |
| 36 | 227243488 |