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 | 15 |
| 2 | 49 |
| 3 | 103 |
| 4 | 177 |
| 5 | 271 |
| 6 | 385 |
| 7 | 519 |
| 8 | 673 |
| 9 | 847 |
| 10 | 1041 |
| 11 | 1255 |
| 12 | 1489 |
| 13 | 1743 |
| 14 | 2017 |
| 15 | 2311 |
| 16 | 2625 |
| 17 | 2959 |
| 18 | 3313 |
| 19 | 3687 |
| 20 | 4081 |
| 21 | 4495 |
| 22 | 4929 |
| 23 | 5383 |
| 24 | 5857 |
| 25 | 6351 |
| 26 | 6865 |
| 27 | 7399 |
| 28 | 7953 |
| 29 | 8527 |
| 30 | 9121 |
| 31 | 9735 |
| 32 | 10369 |
| 33 | 11023 |
| 34 | 11697 |
| 35 | 12391 |
| 36 | 13105 |
| 37 | 13839 |
| 38 | 14593 |
| 39 | 15367 |
| 40 | 16161 |
| 41 | 16975 |
| 42 | 17809 |