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 | 9 |
| 3 | 19 |
| 4 | 27 |
| 5 | 47 |
| 6 | 57 |
| 7 | 61 |
| 8 | 81 |
| 9 | 179 |
| 10 | 211 |
| 11 | 251 |
| 12 | 273 |
| 13 | 373 |
| 14 | 477 |
| 15 | 581 |
| 16 | 753 |
| 17 | 847 |
| 18 | 909 |
| 19 | 971 |
| 20 | 1399 |
| 21 | 1623 |
| 22 | 1967 |
| 23 | 2139 |
| 24 | 2629 |
| 25 | 2979 |
| 26 | 3297 |
| 27 | 3393 |
| 28 | 3647 |
| 29 | 3793 |
| 30 | 4281 |
| 31 | 4337 |
| 32 | 4411 |
| 33 | 4517 |
| 34 | 4831 |
| 35 | 4979 |
| 36 | 5131 |
| 37 | 5841 |
| 38 | 5897 |
| 39 | 5953 |
| 40 | 5991 |
| 41 | 6287 |
| 42 | 6309 |
| 43 | 8101 |
| 44 | 8147 |
| 45 | 8521 |
| 46 | 8877 |
| 47 | 8969 |
| 48 | 9699 |