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 | 4 |
| 2 | 6 |
| 3 | 9 |
| 4 | 10 |
| 5 | 22 |
| 6 | 26 |
| 7 | 177 |
| 8 | 183 |
| 9 | 213 |
| 10 | 27662 |
| 11 | 3066886 |
| 12 | 3067021 |
| 13 | 3067161 |
| 14 | 3067166 |
| 15 | 3067186 |
| 16 | 3067241 |
| 17 | 3067271 |
| 18 | 3067421 |
| 19 | 3067426 |
| 20 | 3067541 |
| 21 | 3067561 |
| 22 | 3067571 |
| 23 | 3067586 |
| 24 | 3067661 |
| 25 | 3067681 |
| 26 | 3067711 |
| 27 | 3067741 |
| 28 | 3067901 |
| 29 | 3067906 |
| 30 | 3067991 |
| 31 | 3068041 |
| 32 | 44690978177 |
| 33 | 44690978534 |
| 34 | 44690978639 |
| 35 | 44690978891 |