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 | 0 |
| 2 | 33 |
| 3 | 702 |
| 4 | 3630 |
| 5 | 11409 |
| 6 | 27603 |
| 7 | 56748 |
| 8 | 104352 |
| 9 | 176895 |
| 10 | 281829 |
| 11 | 427578 |
| 12 | 623538 |
| 13 | 880077 |
| 14 | 1208535 |
| 15 | 1621224 |
| 16 | 2131428 |
| 17 | 2753403 |
| 18 | 3502377 |
| 19 | 4394550 |
| 20 | 5447094 |
| 21 | 6678153 |
| 22 | 8106843 |
| 23 | 9753252 |
| 24 | 11638440 |
| 25 | 13784439 |
| 26 | 16214253 |
| 27 | 18951858 |
| 28 | 22022202 |
| 29 | 25451205 |
| 30 | 29265759 |
| 31 | 33493728 |