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 | 1 |
| 2 | 3 |
| 3 | 4 |
| 4 | 17 |
| 5 | 13 |
| 6 | 77 |
| 7 | 128 |
| 8 | 167 |
| 9 | 73 |
| 10 | 319 |
| 11 | 1294 |
| 12 | 30697 |
| 13 | 28211 |
| 14 | 8707 |
| 15 | 9728 |
| 16 | 17587 |
| 17 | 18181 |
| 18 | 6517513 |
| 19 | 3084316 |
| 20 | 5855671 |
| 21 | 2786599 |
| 22 | 244579999 |
| 23 | 116918176 |
| 24 | 560006983 |
| 25 | 134354573 |
| 26 | 3099540819 |
| 27 | 745984697 |
| 28 | 83423830027 |
| 29 | 80530073893 |
| 30 | 2412760934249 |
| 31 | 4669066440704 |
| 32 | 565308230449 |