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) |
|---|---|
| 3 | 27 |
| 4 | 60 |
| 5 | 105 |
| 6 | 174 |
| 7 | 259 |
| 8 | 376 |
| 9 | 513 |
| 10 | 690 |
| 11 | 891 |
| 12 | 1140 |
| 13 | 1417 |
| 14 | 1750 |
| 15 | 2115 |
| 16 | 2544 |
| 17 | 3009 |
| 18 | 3546 |
| 19 | 4123 |
| 20 | 4780 |
| 21 | 5481 |
| 22 | 6270 |
| 23 | 7107 |
| 24 | 8040 |
| 25 | 9025 |
| 26 | 10114 |
| 27 | 11259 |
| 28 | 12516 |
| 29 | 13833 |
| 30 | 15270 |
| 31 | 16771 |
| 32 | 18400 |
| 33 | 20097 |
| 34 | 21930 |
| 35 | 23835 |
| 36 | 25884 |
| 37 | 28009 |
| 38 | 30286 |
| 39 | 32643 |
| 40 | 35160 |
| 41 | 37761 |
| 42 | 40530 |