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 | 3 |
| 3 | 6 |
| 4 | 22 |
| 5 | 27 |
| 6 | 63 |
| 7 | 70 |
| 8 | 582 |
| 9 | 663 |
| 10 | 763 |
| 11 | 774 |
| 12 | 2502 |
| 13 | 2515 |
| 14 | 2711 |
| 15 | 2936 |
| 16 | 68472 |
| 17 | 68489 |
| 18 | 74321 |
| 19 | 74340 |
| 20 | 82340 |
| 21 | 82781 |
| 22 | 83265 |
| 23 | 83288 |
| 24 | 415064 |
| 25 | 415689 |
| 26 | 416365 |
| 27 | 436048 |
| 28 | 458000 |
| 29 | 458029 |
| 30 | 485029 |
| 31 | 485060 |
| 32 | 34039492 |
| 33 | 34040581 |
| 34 | 34041737 |
| 35 | 34042962 |
| 36 | 35722578 |
| 37 | 35722615 |
| 38 | 35724059 |
| 39 | 35725580 |
| 40 | 38285580 |