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 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 6 |
| 5 | 14 |
| 6 | 42 |
| 7 | 66 |
| 8 | 111 |
| 9 | 606 |
| 10 | 742 |
| 11 | 3486 |
| 12 | 6666 |
| 13 | 8646 |
| 14 | 13118 |
| 15 | 26751 |
| 16 | 58618 |
| 17 | 66886 |
| 18 | 125686 |
| 19 | 141526 |
| 20 | 144886 |
| 21 | 489958 |
| 22 | 525994 |
| 23 | 695254 |
| 24 | 752691 |
| 25 | 1198554 |
| 26 | 1234806 |
| 27 | 2200386 |
| 28 | 2479686 |
| 29 | 2671306 |
| 30 | 2862006 |
| 31 | 3277626 |
| 32 | 3716602 |
| 33 | 5923126 |
| 34 | 6490947 |