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 | 12 |
| 3 | 26 |
| 4 | 45 |
| 5 | 64 |
| 6 | 96 |
| 7 | 134 |
| 8 | 186 |
| 9 | 230 |
| 10 | 290 |
| 11 | 339 |
| 12 | 395 |
| 13 | 468 |
| 14 | 543 |
| 15 | 647 |
| 16 | 729 |
| 17 | 829 |
| 18 | 911 |
| 19 | 1000 |
| 20 | 1126 |
| 21 | 1242 |
| 22 | 1373 |
| 23 | 1503 |
| 24 | 1627 |
| 25 | 1757 |
| 26 | 1904 |
| 27 | 2051 |
| 28 | 2217 |
| 29 | 2393 |
| 30 | 2553 |
| 31 | 2702 |
| 32 | 2872 |
| 33 | 3059 |
| 34 | 3251 |
| 35 | 3495 |
| 36 | 3687 |
| 37 | 3877 |
| 38 | 4081 |
| 39 | 4260 |
| 40 | 4483 |
| 41 | 4737 |
| 42 | 5005 |
| 43 | 5259 |
| 44 | 5496 |
| 45 | 5716 |