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 | 109 |
| 2 | 229 |
| 3 | 349 |
| 4 | 421 |
| 5 | 541 |
| 6 | 661 |
| 7 | 709 |
| 8 | 1021 |
| 9 | 1549 |
| 10 | 1669 |
| 11 | 1789 |
| 12 | 1861 |
| 13 | 2221 |
| 14 | 2269 |
| 15 | 2749 |
| 16 | 3061 |
| 17 | 3109 |
| 18 | 3229 |
| 19 | 3469 |
| 20 | 3541 |
| 21 | 4621 |
| 22 | 4789 |
| 23 | 4909 |
| 24 | 5101 |
| 25 | 5701 |
| 26 | 5869 |
| 27 | 6229 |
| 28 | 6469 |
| 29 | 6661 |
| 30 | 6781 |
| 31 | 6949 |
| 32 | 7741 |
| 33 | 7789 |
| 34 | 8101 |
| 35 | 8221 |
| 36 | 8461 |
| 37 | 8821 |
| 38 | 9349 |
| 39 | 9661 |
| 40 | 9781 |
| 41 | 9901 |