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 | 31 |
| 2 | 71 |
| 3 | 131 |
| 4 | 191 |
| 5 | 311 |
| 6 | 431 |
| 7 | 971 |
| 8 | 1031 |
| 9 | 1091 |
| 10 | 1511 |
| 11 | 1571 |
| 12 | 1811 |
| 13 | 1931 |
| 14 | 2111 |
| 15 | 2411 |
| 16 | 2711 |
| 17 | 3371 |
| 18 | 3491 |
| 19 | 3671 |
| 20 | 4091 |
| 21 | 4211 |
| 22 | 4391 |
| 23 | 4871 |
| 24 | 5231 |
| 25 | 5471 |
| 26 | 5711 |
| 27 | 6011 |
| 28 | 6131 |
| 29 | 6311 |
| 30 | 6911 |
| 31 | 7331 |
| 32 | 7691 |
| 33 | 8111 |
| 34 | 8231 |
| 35 | 8291 |
| 36 | 8831 |
| 37 | 9371 |
| 38 | 10091 |
| 39 | 10211 |
| 40 | 10331 |
| 41 | 10391 |
| 42 | 10631 |