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 | 7 |
| 2 | 29 |
| 3 | 89 |
| 4 | 201 |
| 5 | 387 |
| 6 | 641 |
| 7 | 1067 |
| 8 | 1599 |
| 9 | 2305 |
| 10 | 3233 |
| 11 | 4431 |
| 12 | 5855 |
| 13 | 7721 |
| 14 | 9853 |
| 15 | 12369 |
| 16 | 15477 |
| 17 | 19093 |
| 18 | 23141 |
| 19 | 28073 |
| 20 | 33557 |
| 21 | 39699 |
| 22 | 46773 |
| 23 | 54815 |
| 24 | 63681 |
| 25 | 73825 |
| 26 | 84833 |
| 27 | 97005 |
| 28 | 110579 |
| 29 | 125587 |
| 30 | 141733 |
| 31 | 160063 |
| 32 | 179913 |
| 33 | 201105 |
| 34 | 224409 |
| 35 | 249329 |
| 36 | 276215 |
| 37 | 305925 |
| 38 | 337345 |
| 39 | 370793 |