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 | 139 |
| 2 | 263 |
| 3 | 449 |
| 4 | 821 |
| 5 | 883 |
| 6 | 1069 |
| 7 | 1193 |
| 8 | 1627 |
| 9 | 1999 |
| 10 | 2309 |
| 11 | 2371 |
| 12 | 2557 |
| 13 | 3301 |
| 14 | 3673 |
| 15 | 3797 |
| 16 | 4231 |
| 17 | 4603 |
| 18 | 4789 |
| 19 | 5099 |
| 20 | 5347 |
| 21 | 5471 |
| 22 | 5657 |
| 23 | 5843 |
| 24 | 6029 |
| 25 | 6091 |
| 26 | 6277 |
| 27 | 6959 |
| 28 | 7207 |
| 29 | 7331 |
| 30 | 7393 |
| 31 | 7517 |
| 32 | 7703 |
| 33 | 7951 |
| 34 | 8447 |
| 35 | 8819 |
| 36 | 9067 |
| 37 | 9377 |
| 38 | 9439 |
| 39 | 9749 |
| 40 | 9811 |
| 41 | 10369 |
| 42 | 11113 |
| 43 | 11299 |