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 | 9 |
| 2 | 59 |
| 3 | 169 |
| 4 | 339 |
| 5 | 701 |
| 6 | 1243 |
| 7 | 1893 |
| 8 | 2741 |
| 9 | 3943 |
| 10 | 5577 |
| 11 | 7343 |
| 12 | 9409 |
| 13 | 12039 |
| 14 | 15065 |
| 15 | 18421 |
| 16 | 22227 |
| 17 | 26717 |
| 18 | 31879 |
| 19 | 37461 |
| 20 | 43655 |
| 21 | 50557 |
| 22 | 58071 |
| 23 | 66227 |
| 24 | 75121 |
| 25 | 85083 |
| 26 | 95801 |
| 27 | 107227 |
| 28 | 119541 |
| 29 | 133019 |
| 30 | 147271 |
| 31 | 161901 |
| 32 | 178127 |
| 33 | 195481 |
| 34 | 214143 |