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 | 3 |
| 2 | 5 |
| 3 | 9 |
| 4 | 33 |
| 5 | 383 |
| 6 | 555 |
| 7 | 3663 |
| 8 | 5115 |
| 9 | 30803 |
| 10 | 32223 |
| 11 | 34043 |
| 12 | 59295 |
| 13 | 567765 |
| 14 | 5912195 |
| 15 | 37877873 |
| 16 | 534141435 |
| 17 | 957747759 |
| 18 | 5356556535 |
| 19 | 5646996465 |
| 20 | 53205650235 |
| 21 | 56511511565 |
| 22 | 358023320853 |
| 23 | 9571923291759 |
| 24 | 30171944917103 |
| 25 | 309961535169903 |
| 26 | 356681959186653 |
| 27 | 955371999173559 |