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 | 20 |
| 1 | 75 |
| 2 | 189 |
| 3 | 392 |
| 4 | 720 |
| 5 | 1215 |
| 6 | 1925 |
| 7 | 2904 |
| 8 | 4212 |
| 9 | 5915 |
| 10 | 8085 |
| 11 | 10800 |
| 12 | 14144 |
| 13 | 18207 |
| 14 | 23085 |
| 15 | 28880 |
| 16 | 35700 |
| 17 | 43659 |
| 18 | 52877 |
| 19 | 63480 |
| 20 | 75600 |
| 21 | 89375 |
| 22 | 104949 |
| 23 | 122472 |
| 24 | 142100 |
| 25 | 163995 |
| 26 | 188325 |
| 27 | 215264 |
| 28 | 244992 |
| 29 | 277695 |
| 30 | 313565 |
| 31 | 352800 |
| 32 | 395604 |
| 33 | 442187 |
| 34 | 492765 |
| 35 | 547560 |
| 36 | 606800 |