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) |
|---|---|
| 0 | 6216 |
| 1 | 12024 |
| 2 | 13176 |
| 3 | 24024 |
| 4 | 56616 |
| 5 | 105624 |
| 6 | 96096 |
| 7 | 178080 |
| 8 | 350688 |
| 9 | 454704 |
| 10 | 189528 |
| 11 | 296472 |
| 12 | 512808 |
| 13 | 826392 |
| 14 | 1535208 |
| 15 | 2387352 |
| 16 | 4124328 |
| 17 | 6980472 |
| 18 | 13561128 |
| 19 | 29494872 |
| 20 | 38242728 |
| 21 | 42031872 |
| 22 | 706200 |
| 23 | 1315560 |
| 24 | 2846040 |
| 25 | 5936520 |
| 26 | 12187320 |
| 27 | 24375000 |
| 28 | 57656040 |
| 29 | 116396760 |
| 30 | 233580840 |
| 31 | 467162040 |