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 | 0 |
| 1 | 4 |
| 2 | 13 |
| 3 | 27 |
| 4 | 46 |
| 5 | 70 |
| 6 | 99 |
| 7 | 133 |
| 8 | 172 |
| 9 | 216 |
| 10 | 265 |
| 11 | 319 |
| 12 | 378 |
| 13 | 442 |
| 14 | 511 |
| 15 | 585 |
| 16 | 664 |
| 17 | 748 |
| 18 | 837 |
| 19 | 931 |
| 20 | 1030 |
| 21 | 1134 |
| 22 | 1243 |
| 23 | 1357 |
| 24 | 1476 |
| 25 | 1600 |
| 26 | 1729 |
| 27 | 1863 |
| 28 | 2002 |
| 29 | 2146 |
| 30 | 2295 |
| 31 | 2449 |
| 32 | 2608 |
| 33 | 2772 |
| 34 | 2941 |
| 35 | 3115 |
| 36 | 3294 |
| 37 | 3478 |
| 38 | 3667 |
| 39 | 3861 |
| 40 | 4060 |
| 41 | 4264 |
| 42 | 4473 |
| 43 | 4687 |
| 44 | 4906 |
| 45 | 5130 |
| 46 | 5359 |
| 47 | 5593 |