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 | 11 |
| 2 | 41 |
| 3 | 139 |
| 4 | 313 |
| 5 | 839 |
| 6 | 1259 |
| 7 | 2273 |
| 8 | 2953 |
| 9 | 4493 |
| 10 | 7417 |
| 11 | 8689 |
| 12 | 12659 |
| 13 | 15881 |
| 14 | 17837 |
| 15 | 21683 |
| 16 | 28097 |
| 17 | 35401 |
| 18 | 38321 |
| 19 | 46993 |
| 20 | 53353 |
| 21 | 56909 |
| 22 | 67499 |
| 23 | 75277 |
| 24 | 87539 |
| 25 | 105167 |
| 26 | 115061 |
| 27 | 120431 |
| 28 | 130817 |
| 29 | 136559 |
| 30 | 147881 |
| 31 | 189127 |
| 32 | 202493 |