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 | 3630 |
| 1 | 5946 |
| 2 | 5958 |
| 3 | 6990 |
| 4 | 9858 |
| 5 | 10878 |
| 6 | 15114 |
| 7 | 18006 |
| 8 | 18018 |
| 9 | 34398 |
| 10 | 61362 |
| 11 | 90894 |
| 12 | 90906 |
| 13 | 93894 |
| 14 | 93906 |
| 15 | 124974 |
| 16 | 153018 |
| 17 | 178560 |
| 18 | 457920 |
| 19 | 1188000 |
| 20 | 3529440 |
| 21 | 9776160 |
| 22 | 26028000 |
| 23 | 69107040 |
| 24 | 187267680 |
| 25 | 478980000 |
| 26 | 1268710560 |
| 27 | 4065625440 |
| 28 | 10164078720 |
| 29 | 25833761280 |