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 | 5 |
| 2 | 29 |
| 3 | 109 |
| 4 | 305 |
| 5 | 701 |
| 6 | 1405 |
| 7 | 2549 |
| 8 | 4289 |
| 9 | 6805 |
| 10 | 10301 |
| 11 | 15005 |
| 12 | 21169 |
| 13 | 29069 |
| 14 | 39005 |
| 15 | 51301 |
| 16 | 66305 |
| 17 | 84389 |
| 18 | 105949 |
| 19 | 131405 |
| 20 | 161201 |
| 21 | 195805 |
| 22 | 235709 |
| 23 | 281429 |
| 24 | 333505 |
| 25 | 392501 |
| 26 | 459005 |
| 27 | 533629 |
| 28 | 617009 |
| 29 | 709805 |
| 30 | 812701 |
| 31 | 926405 |
| 32 | 1051649 |