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 | 23 |
| 4 | 36 |
| 5 | 52 |
| 6 | 75 |
| 7 | 103 |
| 8 | 135 |
| 9 | 172 |
| 10 | 215 |
| 11 | 258 |
| 12 | 303 |
| 13 | 354 |
| 14 | 413 |
| 15 | 475 |
| 16 | 539 |
| 17 | 607 |
| 18 | 682 |
| 19 | 758 |
| 20 | 837 |
| 21 | 922 |
| 22 | 1014 |
| 23 | 1111 |
| 24 | 1210 |
| 25 | 1311 |
| 26 | 1420 |
| 27 | 1531 |
| 28 | 1642 |
| 29 | 1758 |
| 30 | 1885 |
| 31 | 2017 |
| 32 | 2148 |
| 33 | 2281 |
| 34 | 2424 |
| 35 | 2569 |
| 36 | 2713 |
| 37 | 2864 |
| 38 | 3027 |
| 39 | 3192 |
| 40 | 3353 |
| 41 | 3518 |
| 42 | 3696 |
| 43 | 3876 |
| 44 | 4055 |
| 45 | 4239 |
| 46 | 4433 |
| 47 | 4630 |