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 | 11 |
| 2 | 101 |
| 3 | 191 |
| 4 | 281 |
| 5 | 461 |
| 6 | 641 |
| 7 | 821 |
| 8 | 911 |
| 9 | 1091 |
| 10 | 1181 |
| 11 | 1361 |
| 12 | 1451 |
| 13 | 1721 |
| 14 | 1811 |
| 15 | 1901 |
| 16 | 2081 |
| 17 | 2351 |
| 18 | 2441 |
| 19 | 2531 |
| 20 | 2621 |
| 21 | 2711 |
| 22 | 2801 |
| 23 | 3251 |
| 24 | 3701 |
| 25 | 3881 |
| 26 | 4241 |
| 27 | 4421 |
| 28 | 4691 |
| 29 | 4871 |
| 30 | 5051 |
| 31 | 5231 |
| 32 | 5501 |
| 33 | 5591 |
| 34 | 5861 |
| 35 | 6131 |
| 36 | 6221 |
| 37 | 6311 |
| 38 | 6491 |
| 39 | 6581 |
| 40 | 6761 |
| 41 | 7121 |
| 42 | 7211 |
| 43 | 7481 |
| 44 | 7841 |