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 | 421 |
| 4 | 631 |
| 5 | 661 |
| 6 | 991 |
| 7 | 1051 |
| 8 | 1171 |
| 9 | 1321 |
| 10 | 1471 |
| 11 | 1951 |
| 12 | 2311 |
| 13 | 2341 |
| 14 | 2521 |
| 15 | 2731 |
| 16 | 2971 |
| 17 | 3121 |
| 18 | 3301 |
| 19 | 3361 |
| 20 | 3511 |
| 21 | 3571 |
| 22 | 3631 |
| 23 | 4201 |
| 24 | 4621 |
| 25 | 4831 |
| 26 | 4951 |
| 27 | 5281 |
| 28 | 5851 |
| 29 | 5881 |
| 30 | 6007 |
| 31 | 6091 |
| 32 | 6271 |
| 33 | 6301 |
| 34 | 7351 |
| 35 | 7411 |
| 36 | 7561 |
| 37 | 7591 |
| 38 | 8191 |
| 39 | 8581 |
| 40 | 8779 |
| 41 | 8821 |
| 42 | 8971 |
| 43 | 9241 |
| 44 | 9283 |
| 45 | 9661 |
| 46 | 9871 |
| 47 | 9901 |