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 | 6 |
| 4 | 15 |
| 5 | 29 |
| 6 | 50 |
| 7 | 80 |
| 8 | 120 |
| 9 | 171 |
| 10 | 235 |
| 11 | 313 |
| 12 | 407 |
| 13 | 517 |
| 14 | 646 |
| 15 | 795 |
| 16 | 965 |
| 17 | 1158 |
| 18 | 1374 |
| 19 | 1616 |
| 20 | 1885 |
| 21 | 2182 |
| 22 | 2509 |
| 23 | 2867 |
| 24 | 3258 |
| 25 | 3682 |
| 26 | 4142 |
| 27 | 4639 |
| 28 | 5174 |
| 29 | 5748 |
| 30 | 6363 |
| 31 | 7021 |
| 32 | 7723 |
| 33 | 8470 |
| 34 | 9264 |
| 35 | 10105 |
| 36 | 10996 |
| 37 | 11939 |
| 38 | 12933 |
| 39 | 13981 |
| 40 | 15084 |
| 41 | 16244 |
| 42 | 17462 |
| 43 | 18739 |
| 44 | 20078 |
| 45 | 21478 |
| 46 | 22942 |