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) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 7 |
| 3 | 25 |
| 4 | 61 |
| 5 | 121 |
| 6 | 211 |
| 7 | 337 |
| 8 | 505 |
| 9 | 721 |
| 10 | 991 |
| 11 | 1321 |
| 12 | 1717 |
| 13 | 2185 |
| 14 | 2731 |
| 15 | 3361 |
| 16 | 4081 |
| 17 | 4897 |
| 18 | 5815 |
| 19 | 6841 |
| 20 | 7981 |
| 21 | 9241 |
| 22 | 10627 |
| 23 | 12145 |
| 24 | 13801 |
| 25 | 15601 |
| 26 | 17551 |
| 27 | 19657 |
| 28 | 21925 |
| 29 | 24361 |
| 30 | 26971 |
| 31 | 29761 |
| 32 | 32737 |
| 33 | 35905 |
| 34 | 39271 |
| 35 | 42841 |
| 36 | 46621 |
| 37 | 50617 |
| 38 | 54835 |
| 39 | 59281 |
| 40 | 63961 |