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 | 12 |
| 2 | 50 |
| 3 | 140 |
| 4 | 315 |
| 5 | 616 |
| 6 | 1092 |
| 7 | 1800 |
| 8 | 2805 |
| 9 | 4180 |
| 10 | 6006 |
| 11 | 8372 |
| 12 | 11375 |
| 13 | 15120 |
| 14 | 19720 |
| 15 | 25296 |
| 16 | 31977 |
| 17 | 39900 |
| 18 | 49210 |
| 19 | 60060 |
| 20 | 72611 |
| 21 | 87032 |
| 22 | 103500 |
| 23 | 122200 |
| 24 | 143325 |
| 25 | 167076 |
| 26 | 193662 |
| 27 | 223300 |
| 28 | 256215 |
| 29 | 292640 |
| 30 | 332816 |
| 31 | 376992 |
| 32 | 425425 |
| 33 | 478380 |
| 34 | 536130 |