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 | 756000 |
| 2 | 1220940 |
| 3 | 1437480 |
| 4 | 1973160 |
| 5 | 5019840 |
| 6 | 9058140 |
| 7 | 9703260 |
| 8 | 11058480 |
| 9 | 11641680 |
| 10 | 13085280 |
| 11 | 17089920 |
| 12 | 18117000 |
| 13 | 19370880 |
| 14 | 21282912 |
| 15 | 21628080 |
| 16 | 25295760 |
| 17 | 25585560 |
| 18 | 26936640 |
| 19 | 27763560 |
| 20 | 28191240 |
| 21 | 29104200 |
| 22 | 29203020 |
| 23 | 30450420 |
| 24 | 32839560 |
| 25 | 33279120 |
| 26 | 33398820 |