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 | 3031 |
| 2 | 13116 |
| 3 | 46824 |
| 4 | 201614 |
| 5 | 456325 |
| 6 | 1310412 |
| 7 | 1499434 |
| 8 | 1825225 |
| 9 | 2217620 |
| 10 | 2318423 |
| 11 | 2522540 |
| 12 | 2784634 |
| 13 | 3132380 |
| 14 | 3276024 |
| 15 | 3931226 |
| 16 | 4013113 |
| 17 | 4555476 |
| 18 | 5017340 |
| 19 | 5211380 |
| 20 | 6309602 |
| 21 | 6338910 |
| 22 | 6526835 |
| 23 | 7197154 |
| 24 | 8678920 |
| 25 | 9108023 |
| 26 | 9258002 |
| 27 | 10256420 |
| 28 | 10533620 |
| 29 | 10614266 |
| 30 | 10810824 |