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 | 1 |
| 2 | 11 |
| 3 | 121 |
| 4 | 253 |
| 5 | 1331 |
| 6 | 2783 |
| 7 | 3883 |
| 8 | 4609 |
| 9 | 5819 |
| 10 | 11891 |
| 11 | 14641 |
| 12 | 30613 |
| 13 | 42713 |
| 14 | 50699 |
| 15 | 64009 |
| 16 | 89309 |
| 17 | 106007 |
| 18 | 130801 |
| 19 | 133837 |
| 20 | 161051 |
| 21 | 273493 |
| 22 | 336743 |
| 23 | 410069 |
| 24 | 469843 |
| 25 | 557689 |
| 26 | 558877 |
| 27 | 704099 |
| 28 | 982399 |
| 29 | 1166077 |
| 30 | 1370699 |
| 31 | 1438811 |
| 32 | 1472207 |
| 33 | 1626977 |