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 | 27 |
| 4 | 51 |
| 5 | 86 |
| 6 | 134 |
| 7 | 197 |
| 8 | 277 |
| 9 | 376 |
| 10 | 496 |
| 11 | 639 |
| 12 | 807 |
| 13 | 1002 |
| 14 | 1226 |
| 15 | 1481 |
| 16 | 1769 |
| 17 | 2092 |
| 18 | 2452 |
| 19 | 2851 |
| 20 | 3291 |
| 21 | 3774 |
| 22 | 4302 |
| 23 | 4877 |
| 24 | 5501 |
| 25 | 6176 |
| 26 | 6904 |
| 27 | 7687 |
| 28 | 8527 |
| 29 | 9426 |
| 30 | 10386 |
| 31 | 11409 |
| 32 | 12497 |
| 33 | 13652 |
| 34 | 14876 |
| 35 | 16171 |
| 36 | 17539 |
| 37 | 18982 |
| 38 | 20502 |
| 39 | 22101 |
| 40 | 23781 |
| 41 | 25544 |
| 42 | 27392 |
| 43 | 29327 |