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 | 2664 |
| 2 | 20568 |
| 3 | 68592 |
| 4 | 161616 |
| 5 | 314520 |
| 6 | 542184 |
| 7 | 859488 |
| 8 | 1281312 |
| 9 | 1822536 |
| 10 | 2498040 |
| 11 | 3322704 |
| 12 | 4311408 |
| 13 | 5479032 |
| 14 | 6840456 |
| 15 | 8410560 |
| 16 | 10204224 |
| 17 | 12236328 |
| 18 | 14521752 |
| 19 | 17075376 |
| 20 | 19912080 |
| 21 | 23046744 |
| 22 | 26494248 |
| 23 | 30269472 |
| 24 | 34387296 |
| 25 | 38862600 |
| 26 | 43710264 |
| 27 | 48945168 |
| 28 | 54582192 |
| 29 | 60636216 |