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 | 211 |
| 2 | 331 |
| 3 | 541 |
| 4 | 631 |
| 5 | 691 |
| 6 | 751 |
| 7 | 991 |
| 8 | 1171 |
| 9 | 1201 |
| 10 | 1381 |
| 11 | 1471 |
| 12 | 1531 |
| 13 | 1741 |
| 14 | 1801 |
| 15 | 1831 |
| 16 | 1861 |
| 17 | 2011 |
| 18 | 2161 |
| 19 | 2221 |
| 20 | 2251 |
| 21 | 2281 |
| 22 | 2371 |
| 23 | 2521 |
| 24 | 2671 |
| 25 | 2851 |
| 26 | 3061 |
| 27 | 3181 |
| 28 | 3271 |
| 29 | 3511 |
| 30 | 3571 |
| 31 | 3631 |
| 32 | 3691 |
| 33 | 4111 |
| 34 | 4201 |
| 35 | 4441 |
| 36 | 4561 |
| 37 | 4591 |
| 38 | 4621 |
| 39 | 4831 |
| 40 | 4861 |