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 | 9 |
| 2 | 65 |
| 3 | 481 |
| 4 | 511 |
| 5 | 1417 |
| 6 | 2047 |
| 7 | 2501 |
| 8 | 3277 |
| 9 | 3641 |
| 10 | 4033 |
| 11 | 4097 |
| 12 | 4681 |
| 13 | 8321 |
| 14 | 11041 |
| 15 | 15841 |
| 16 | 16589 |
| 17 | 19561 |
| 18 | 24311 |
| 19 | 24929 |
| 20 | 29341 |
| 21 | 41441 |
| 22 | 42799 |
| 23 | 45761 |
| 24 | 49141 |
| 25 | 52429 |
| 26 | 52633 |
| 27 | 54161 |
| 28 | 55969 |
| 29 | 56033 |
| 30 | 59291 |
| 31 | 61337 |
| 32 | 65281 |
| 33 | 66197 |
| 34 | 74023 |
| 35 | 74665 |
| 36 | 77161 |
| 37 | 80581 |
| 38 | 85489 |
| 39 | 87061 |