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 | 2050 |
| 2 | 20810 |
| 3 | 103050 |
| 4 | 368130 |
| 5 | 1042030 |
| 6 | 2563150 |
| 7 | 5576290 |
| 8 | 11164490 |
| 9 | 20782910 |
| 10 | 36563090 |
| 11 | 61222530 |
| 12 | 98646650 |
| 13 | 153264230 |
| 14 | 231266730 |
| 15 | 339896070 |