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 | 1 |
| 1 | 4 |
| 2 | 10 |
| 3 | 22 |
| 4 | 39 |
| 5 | 60 |
| 6 | 87 |
| 7 | 118 |
| 8 | 154 |
| 9 | 196 |
| 10 | 242 |
| 11 | 292 |
| 12 | 345 |
| 13 | 406 |
| 14 | 471 |
| 15 | 540 |
| 16 | 616 |
| 17 | 694 |
| 18 | 780 |
| 19 | 868 |
| 20 | 959 |
| 21 | 1060 |
| 22 | 1161 |
| 23 | 1270 |
| 24 | 1384 |
| 25 | 1500 |
| 26 | 1626 |
| 27 | 1750 |
| 28 | 1881 |
| 29 | 2020 |
| 30 | 2159 |
| 31 | 2308 |
| 32 | 2458 |
| 33 | 2614 |
| 34 | 2778 |
| 35 | 2940 |
| 36 | 3111 |
| 37 | 3286 |
| 38 | 3465 |
| 39 | 3652 |
| 40 | 3840 |
| 41 | 4036 |
| 42 | 4236 |
| 43 | 4438 |
| 44 | 4647 |
| 45 | 4860 |
| 46 | 5079 |
| 47 | 5302 |