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) |
|---|---|
| 2 | 11 |
| 3 | 19 |
| 4 | 31 |
| 5 | 43 |
| 6 | 79 |
| 7 | 139 |
| 8 | 163 |
| 9 | 199 |
| 10 | 211 |
| 11 | 223 |
| 12 | 331 |
| 13 | 463 |
| 14 | 619 |
| 15 | 631 |
| 16 | 883 |
| 17 | 919 |
| 18 | 1231 |
| 19 | 1291 |
| 20 | 1483 |
| 21 | 1543 |
| 22 | 1723 |
| 23 | 1759 |
| 24 | 1879 |
| 25 | 2179 |
| 26 | 2851 |
| 27 | 2971 |
| 28 | 3163 |
| 29 | 3331 |
| 30 | 3391 |
| 31 | 3571 |
| 32 | 3739 |
| 33 | 4003 |
| 34 | 4483 |
| 35 | 4591 |
| 36 | 4759 |
| 37 | 4783 |
| 38 | 4951 |
| 39 | 5323 |
| 40 | 5419 |
| 41 | 5503 |
| 42 | 6043 |
| 43 | 6079 |
| 44 | 6163 |
| 45 | 6379 |
| 46 | 6691 |
| 47 | 7351 |