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) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 3 |
| 4 | 6 |
| 5 | 14 |
| 6 | 24 |
| 7 | 54 |
| 8 | 88 |
| 9 | 148 |
| 10 | 240 |
| 11 | 510 |
| 12 | 756 |
| 13 | 1548 |
| 14 | 2520 |
| 15 | 3936 |
| 16 | 5248 |
| 17 | 10624 |
| 18 | 14508 |
| 19 | 29196 |
| 20 | 40740 |
| 21 | 60500 |
| 22 | 95400 |
| 23 | 191400 |
| 24 | 242016 |
| 25 | 338880 |
| 26 | 529920 |
| 27 | 674688 |
| 28 | 912912 |
| 29 | 1830192 |
| 30 | 2327424 |
| 31 | 4660224 |
| 32 | 5523456 |
| 33 | 7858176 |
| 34 | 12152064 |
| 35 | 16406592 |
| 36 | 19576080 |