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 | 35 |
| 2 | 1225 |
| 3 | 7210 |
| 4 | 24990 |
| 5 | 65765 |
| 6 | 145775 |
| 7 | 287140 |
| 8 | 518700 |
| 9 | 876855 |
| 10 | 1406405 |
| 11 | 2161390 |
| 12 | 3205930 |
| 13 | 4615065 |
| 14 | 6475595 |
| 15 | 8886920 |
| 16 | 11961880 |
| 17 | 15827595 |
| 18 | 20626305 |
| 19 | 26516210 |
| 20 | 33672310 |
| 21 | 42287245 |
| 22 | 52572135 |
| 23 | 64757420 |
| 24 | 79093700 |
| 25 | 95852575 |
| 26 | 115327485 |