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 | 4 |
| 2 | 17 |
| 3 | 52 |
| 4 | 129 |
| 5 | 276 |
| 6 | 529 |
| 7 | 932 |
| 8 | 1537 |
| 9 | 2404 |
| 10 | 3601 |
| 11 | 5204 |
| 12 | 7297 |
| 13 | 9972 |
| 14 | 13329 |
| 15 | 17476 |
| 16 | 22529 |
| 17 | 28612 |
| 18 | 35857 |
| 19 | 44404 |
| 20 | 54401 |
| 21 | 66004 |
| 22 | 79377 |
| 23 | 94692 |
| 24 | 112129 |
| 25 | 131876 |
| 26 | 154129 |
| 27 | 179092 |
| 28 | 206977 |
| 29 | 238004 |
| 30 | 272401 |
| 31 | 310404 |
| 32 | 352257 |
| 33 | 398212 |
| 34 | 448529 |