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) |
|---|---|
| 0 | 4 |
| 1 | 13 |
| 2 | 26 |
| 3 | 46 |
| 4 | 75 |
| 5 | 104 |
| 6 | 148 |
| 7 | 189 |
| 8 | 241 |
| 9 | 302 |
| 10 | 363 |
| 11 | 439 |
| 12 | 508 |
| 13 | 596 |
| 14 | 681 |
| 15 | 774 |
| 16 | 886 |
| 17 | 991 |
| 18 | 1107 |
| 19 | 1224 |
| 20 | 1344 |
| 21 | 1489 |
| 22 | 1622 |
| 23 | 1778 |
| 24 | 1919 |
| 25 | 2083 |
| 26 | 2248 |
| 27 | 2409 |
| 28 | 2605 |
| 29 | 2774 |
| 30 | 2970 |
| 31 | 3163 |
| 32 | 3356 |
| 33 | 3572 |
| 34 | 3785 |
| 35 | 4009 |
| 36 | 4246 |
| 37 | 4474 |
| 38 | 4719 |
| 39 | 4948 |
| 40 | 5220 |
| 41 | 5477 |