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 | 2 |
| 3 | 17 |
| 4 | 18 |
| 5 | 257 |
| 6 | 34 |
| 7 | 1297 |
| 8 | 274 |
| 9 | 1313 |
| 10 | 514 |
| 11 | 10001 |
| 12 | 306 |
| 13 | 20737 |
| 14 | 2594 |
| 15 | 4369 |
| 16 | 4370 |
| 17 | 65537 |
| 18 | 2626 |
| 19 | 104977 |
| 20 | 4626 |
| 21 | 22049 |
| 22 | 20002 |
| 23 | 234257 |
| 24 | 4658 |
| 25 | 160257 |
| 26 | 41474 |
| 27 | 106289 |
| 28 | 23346 |
| 29 | 614657 |
| 30 | 8738 |
| 31 | 810001 |
| 32 | 69906 |
| 33 | 170017 |
| 34 | 131074 |
| 35 | 333329 |
| 36 | 23634 |
| 37 | 1679617 |
| 38 | 209954 |
| 39 | 352529 |
| 40 | 70418 |