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 | 4 |
| 3 | 25 |
| 4 | 26 |
| 5 | 43 |
| 6 | 77 |
| 7 | 201 |
| 8 | 336 |
| 9 | 881 |
| 10 | 2144 |
| 11 | 22305 |
| 12 | 24113 |
| 13 | 44349 |
| 14 | 48748 |
| 15 | 153884 |
| 16 | 400161 |
| 17 | 793873 |
| 18 | 1195455 |
| 19 | 5066329 |
| 20 | 6227954 |
| 21 | 11394871 |
| 22 | 16233979 |
| 23 | 18368369 |
| 24 | 63843903 |
| 25 | 80998288 |
| 26 | 117335658 |
| 27 | 246252769 |
| 28 | 6420049930 |
| 29 | 23198011949 |
| 30 | 30432298548 |
| 31 | 62709861290 |
| 32 | 117888644809 |