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) |
|---|---|
| 2 | 1 |
| 3 | 5 |
| 4 | 13 |
| 5 | 29 |
| 6 | 61 |
| 7 | 5 |
| 8 | 23 |
| 9 | 509 |
| 10 | 1021 |
| 11 | 409 |
| 12 | 4093 |
| 13 | 431 |
| 14 | 16381 |
| 15 | 6553 |
| 16 | 71 |
| 17 | 2473 |
| 18 | 23831 |
| 19 | 97 |
| 20 | 1048573 |
| 21 | 2713 |
| 22 | 4194301 |
| 23 | 1677721 |
| 24 | 16777213 |
| 25 | 70051 |
| 26 | 5197 |
| 27 | 31033 |
| 28 | 1877171 |
| 29 | 536870909 |
| 30 | 46684427 |
| 31 | 22605091 |
| 32 | 464773 |
| 33 | 296204641 |
| 34 | 3360037 |
| 35 | 6871947673 |
| 36 | 283007 |