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 | 7 |
| 2 | 19 |
| 3 | 79 |
| 4 | 107 |
| 5 | 139 |
| 6 | 307 |
| 7 | 359 |
| 8 | 607 |
| 9 | 919 |
| 10 | 1399 |
| 11 | 1619 |
| 12 | 1979 |
| 13 | 2239 |
| 14 | 2659 |
| 15 | 3607 |
| 16 | 3779 |
| 17 | 4507 |
| 18 | 5507 |
| 19 | 6379 |
| 20 | 6607 |
| 21 | 7559 |
| 22 | 8059 |
| 23 | 8839 |
| 24 | 10799 |
| 25 | 11699 |
| 26 | 12007 |
| 27 | 15307 |
| 28 | 17107 |
| 29 | 20599 |
| 30 | 21419 |
| 31 | 22679 |
| 32 | 23539 |
| 33 | 24859 |
| 34 | 25307 |
| 35 | 25759 |
| 36 | 32507 |
| 37 | 35107 |
| 38 | 40039 |
| 39 | 41179 |
| 40 | 46507 |
| 41 | 47119 |