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) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 5 |
| 4 | 12 |
| 5 | 28 |
| 6 | 47 |
| 7 | 75 |
| 8 | 112 |
| 9 | 176 |
| 10 | 243 |
| 11 | 319 |
| 12 | 404 |
| 13 | 516 |
| 14 | 637 |
| 15 | 785 |
| 16 | 960 |
| 17 | 1216 |
| 18 | 1475 |
| 19 | 1743 |
| 20 | 2020 |
| 21 | 2324 |
| 22 | 2637 |
| 23 | 2977 |
| 24 | 3344 |
| 25 | 3792 |
| 26 | 4249 |
| 27 | 4733 |
| 28 | 5244 |
| 29 | 5836 |
| 30 | 6455 |
| 31 | 7155 |
| 32 | 7936 |
| 33 | 8960 |
| 34 | 9987 |
| 35 | 11023 |
| 36 | 12068 |
| 37 | 13140 |
| 38 | 14221 |
| 39 | 15329 |
| 40 | 16464 |
| 41 | 17680 |
| 42 | 18905 |
| 43 | 20157 |