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 | 3 |
| 3 | 11 |
| 4 | 28 |
| 5 | 56 |
| 6 | 99 |
| 7 | 159 |
| 8 | 240 |
| 9 | 344 |
| 10 | 475 |
| 11 | 635 |
| 12 | 828 |
| 13 | 1056 |
| 14 | 1323 |
| 15 | 1631 |
| 16 | 1984 |
| 17 | 2384 |
| 18 | 2835 |
| 19 | 3339 |
| 20 | 3900 |
| 21 | 4520 |
| 22 | 5203 |
| 23 | 5951 |
| 24 | 6768 |
| 25 | 7656 |
| 26 | 8619 |
| 27 | 9659 |
| 28 | 10780 |
| 29 | 11984 |
| 30 | 13275 |
| 31 | 14655 |
| 32 | 16128 |
| 33 | 17696 |
| 34 | 19363 |
| 35 | 21131 |
| 36 | 23004 |
| 37 | 24984 |
| 38 | 27075 |
| 39 | 29279 |
| 40 | 31600 |
| 41 | 34040 |