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 | 5 |
| 2 | 7 |
| 3 | 11 |
| 4 | 43 |
| 5 | 23 |
| 6 | 2731 |
| 7 | 43691 |
| 8 | 174763 |
| 9 | 47 |
| 10 | 59 |
| 11 | 715827883 |
| 12 | 223 |
| 13 | 83 |
| 14 | 431 |
| 15 | 283 |
| 16 | 107 |
| 17 | 2833 |
| 18 | 768614336404564651 |
| 19 | 7327657 |
| 20 | 228479 |
| 21 | 439 |
| 22 | 2687 |
| 23 | 167 |
| 24 | 179 |
| 25 | 971 |
| 26 | 7432339208719 |
| 27 | 2550183799 |
| 28 | 643 |
| 29 | 104124649 |
| 30 | 227 |
| 31 | 56713727820156410577229101238628035243 |
| 32 | 263 |
| 33 | 1097 |
| 34 | 4506937 |
| 35 | 1193 |
| 36 | 18121 |
| 37 | 15073 |
| 38 | 150287 |