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 | 0 |
| 1 | 72 |
| 2 | 306 |
| 3 | 702 |
| 4 | 1260 |
| 5 | 1980 |
| 6 | 2862 |
| 7 | 3906 |
| 8 | 5112 |
| 9 | 6480 |
| 10 | 8010 |
| 11 | 9702 |
| 12 | 11556 |
| 13 | 13572 |
| 14 | 15750 |
| 15 | 18090 |
| 16 | 20592 |
| 17 | 23256 |
| 18 | 26082 |
| 19 | 29070 |
| 20 | 32220 |
| 21 | 35532 |
| 22 | 39006 |
| 23 | 42642 |
| 24 | 46440 |
| 25 | 50400 |
| 26 | 54522 |
| 27 | 58806 |
| 28 | 63252 |
| 29 | 67860 |
| 30 | 72630 |
| 31 | 77562 |
| 32 | 82656 |
| 33 | 87912 |
| 34 | 93330 |
| 35 | 98910 |