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 | 7 |
| 2 | 17 |
| 3 | 31 |
| 4 | 53 |
| 5 | 97 |
| 6 | 127 |
| 7 | 241 |
| 8 | 337 |
| 9 | 577 |
| 10 | 1249 |
| 11 | 3361 |
| 12 | 3697 |
| 13 | 4373 |
| 14 | 4801 |
| 15 | 6961 |
| 16 | 8191 |
| 17 | 10657 |
| 18 | 13121 |
| 19 | 23761 |
| 20 | 25537 |
| 21 | 31249 |
| 22 | 32257 |
| 23 | 33613 |
| 24 | 37537 |
| 25 | 49297 |
| 26 | 59581 |
| 27 | 64081 |
| 28 | 65521 |
| 29 | 77617 |
| 30 | 79201 |
| 31 | 89041 |
| 32 | 126001 |
| 33 | 131071 |
| 34 | 138337 |
| 35 | 153457 |
| 36 | 159013 |
| 37 | 171697 |
| 38 | 193441 |