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 | 15 |
| 3 | 18 |
| 4 | 24 |
| 5 | 28 |
| 6 | 42 |
| 7 | 77 |
| 8 | 91 |
| 9 | 142 |
| 10 | 227 |
| 11 | 261 |
| 12 | 275 |
| 13 | 356 |
| 14 | 374 |
| 15 | 384 |
| 16 | 479 |
| 17 | 501 |
| 18 | 670 |
| 19 | 735 |
| 20 | 763 |
| 21 | 791 |
| 22 | 863 |
| 23 | 1050 |
| 24 | 1130 |
| 25 | 1164 |
| 26 | 1288 |
| 27 | 1492 |
| 28 | 1631 |
| 29 | 1648 |
| 30 | 1713 |
| 31 | 1838 |
| 32 | 2015 |
| 33 | 2034 |
| 34 | 2268 |
| 35 | 2413 |
| 36 | 2562 |
| 37 | 2611 |
| 38 | 2715 |
| 39 | 2767 |
| 40 | 3036 |
| 41 | 3148 |
| 42 | 3263 |
| 43 | 3319 |
| 44 | 3954 |
| 45 | 4046 |
| 46 | 4145 |
| 47 | 4541 |
| 48 | 4676 |