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 | 1 |
| 2 | 30 |
| 3 | 181 |
| 4 | 600 |
| 5 | 1501 |
| 6 | 3150 |
| 7 | 5881 |
| 8 | 10080 |
| 9 | 16201 |
| 10 | 24750 |
| 11 | 36301 |
| 12 | 51480 |
| 13 | 70981 |
| 14 | 95550 |
| 15 | 126001 |
| 16 | 163200 |
| 17 | 208081 |
| 18 | 261630 |
| 19 | 324901 |
| 20 | 399000 |
| 21 | 485101 |
| 22 | 584430 |
| 23 | 698281 |
| 24 | 828000 |
| 25 | 975001 |
| 26 | 1140750 |
| 27 | 1326781 |
| 28 | 1534680 |
| 29 | 1766101 |
| 30 | 2022750 |
| 31 | 2306401 |
| 32 | 2618880 |
| 33 | 2962081 |
| 34 | 3337950 |
| 35 | 3748501 |
| 36 | 4195800 |