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 | 15 |
| 1 | 63 |
| 2 | 168 |
| 3 | 360 |
| 4 | 675 |
| 5 | 1155 |
| 6 | 1848 |
| 7 | 2808 |
| 8 | 4095 |
| 9 | 5775 |
| 10 | 7920 |
| 11 | 10608 |
| 12 | 13923 |
| 13 | 17955 |
| 14 | 22800 |
| 15 | 28560 |
| 16 | 35343 |
| 17 | 43263 |
| 18 | 52440 |
| 19 | 63000 |
| 20 | 75075 |
| 21 | 88803 |
| 22 | 104328 |
| 23 | 121800 |
| 24 | 141375 |
| 25 | 163215 |
| 26 | 187488 |
| 27 | 214368 |
| 28 | 244035 |
| 29 | 276675 |
| 30 | 312480 |
| 31 | 351648 |
| 32 | 394383 |
| 33 | 440895 |
| 34 | 491400 |
| 35 | 546120 |
| 36 | 605283 |
| 37 | 669123 |